User:Morriswa/Highway sorted by location

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Alabama[edit]

Shield Highway Notes
I-10
I-14 Proposed extension into Alabama
I-20
I-22
I-59
I-63 Proposed; number not definite
I-65
I-85
I-110 Former proposed extension into Alabama
I-165
I-210 Former proposed number for what is now I-165
I-222 Proposed
I-359
I-422 Proposed
I-459
I-565
I-685 Proposed
I-759
US 11
US 13 Cancelled extension into Alabama
US 29
US 31
US 43
US 45
US 72
US 78
US 78S Decommissioned
US 78N Decommissioned
US 80
US 82
US 84
US 86 Former proposed number for part of what is now US 84
US 90
US 98
US 231
US 241 Decommissioned
US 278
US 280
US 331 Decommissioned
US 331
US 378 Cancelled extension into Alabama
US 411
US 431

Alaska[edit]

Shield Highway Notes
A-1 Unsigned
A-2 Unsigned
A-3 Unsigned
A-4 Unsigned
US-97 Proposed; could have actually been signed

Arizona[edit]

Shield Highway Notes
I-8
I-10
I-11 Proposed extension into Arizona
I-15
I-17
I-19
I-40
I-66 Former proposal
I-66 Former number for a proposed renumbering of I-40
I-410 Decommissioned
I-510 Decommissioned
I-710 Former proposal
US 55 Former proposal
US 60 Former proposed number for what became US 66
US 60
US 60X Unsigned
US 62 Cancelled extension into Arizona
US 64
US 66 Decommissioned
US 70 Decommissioned
US 70
US 80 Decommissioned in Arizona
US 87 Former proposal (two proposals; both canceled)
US 87W Former proposal
US 87E Former proposal
US 89
US 90 Cancelled extension into Arizona
US 91 Decommissioned in Arizona
US 93
US 95
US 160
US 163
US 164 Decommissioned
US 180 Decommissioned
US 180
US 191
US 193 Former proposed number for parts of SR 84, SR 87, & SR 187
US 260 Decommissioned
US 280 Former proposal
US 380 Former proposal
US 466 Decommissioned
US 666 Decommissioned
US 789 Former proposal

Arkansas[edit]

Shield Highway Notes
I-29 Former proposal
I-30
I-40
I-49 eventually twice Separated by Texas
I-55
I-57 Proposed extension into Arkansas
I-69 Proposed extension into Arkansas
I-130 Former proposal
I-430
I-440
I-530
I-540
I-555
I-630
I-730 Former proposed number for AR 226, had I-30 been extended to the northeastern part of the state
US 49
US 59
US 61
US 62
US 63
US 64
US 65
US 67
US 67W Decommissioned
US 67W Decommissioned
US 67W Decommissioned
US 67E Decommissioned
US 67E Decommissioned
US 67E Decommissioned
US 70
US 71 twice Separated by Texas
US 78 Cancelled extension into Arkansas, but has since been extended
US 79
US 82
US 165
US 167
US 270
US 271
US 278
US 371
US 412
US 425

California[edit]

Shield Highway Notes
I-5
I-5W Decommissioned
I-5E Decommissioned
I-7 Proposed
I-8
I-9 Proposed
I-10
I-15

I-15 Temp. Decommissioned

I-15 Temp. Decommissioned

I-15 Temp. Decommissioned

I-15 Temp. Decommissioned
I-15E Decommissioned

I-15E Temp. Decommissioned
I-15W Decommissioned

I-15W Temp. Decommissioned
I-40
I-66 Former number for a proposed renumbering of I-10 and I-15
I-66 Former proposal
I-80
I-105 Decommissioned
I-105
I-110 Decommissioned
I-110
I-180 Former proposed number for the Richmond–San Rafael Bridge
I-205
I-210
I-215
I-238
I-280
I-305 Unsigned
I-380
I-405
I-480 Decommissioned
I-505
I-580
I-605
I-680
I-710
I-780
I-805
I-880 Decommissioned
I-880
I-905 Proposed
I-980
US 6
US 40 Decommissioned in California
US 42 Former proposed number for what became US 48
US 48 Decommissioned
US 48N Former proposal
US 50
US 60 Former proposed number for what became US 66
US 60 Decommissioned in California
US 62 Cancelled extension into California
US 64 Cancelled extension into California
US 66 Decommissioned
US 70 Decommissioned in California
US 80 Decommissioned in California
US 90 Cancelled extension into California
US 91 Decommissioned in California
US 95
US 97
US 99 Decommissioned
US 99W Decommissioned
US 99W Decommissioned
US 99E Decommissioned
US 99E Decommissioned
US 101
US 101W Decommissioned
US 101W Decommissioned
US 101E Decommissioned
US 101E Decommissioned
US 199
US 299 Decommissioned
US 395 twice Separated by Nevada
US 399 Decommissioned
US 466 Decommissioned

Colorado[edit]

Shield Highway Notes
I-25
I-25E Former proposed number for what is now I-225 & I-270
I-70
I-76
I-80S Decommissioned
I-225
I-270
I-425 Former proposed number for what is now I-270
I-470 Former proposed number for SH 470, E-470, & the Northwest Parkway
US 6
US 24
US 34
US 36
US 38 Decommissioned
US 40
US 40S Decommissioned; shield
US 40N Decommissioned
US 46 Former proposal; shield
US 50
US 78 Cancelled extension into Colorado
US 84
US 85
US 87
US 136 Possible cancelled extension into Colorado
US 138
US 160
US 164 Decommissioned
US 285 Decommissioned
US 285
US 287
US 340 Former proposal
US 350
US 385
US 400
US 450 Decommissioned
US 491
US 550
US 560 Former proposal
US 650 Former proposal
US 666 Decommissioned
US 789 Former proposal

Connecticut[edit]

Shield Highway Notes
I-84
I-86 Decommissioned
I-87 Former proposed number for what is now I-684; it was a cancelled portion of I-87.
I-89 Former proposal
I-91
I-95
I-284 Former proposal
I-291
I-384
I-395
I-484 Former proposed number for the Conland–Whitehead Highway
I-491 Former proposed number for Route 3
I-495 Cancelled extension into Connecticut
I-684
I-691
I-891 Proposed
US 1
US 5
US 6
US 7
US 44
US 202

Delaware[edit]

Shield Highway Notes
I-95
I-99 Former proposal
I-101 Proposed
I-195 Former proposed number for part of I-95
I-295
I-395 Former proposed number for part of I-95
I-495
I-595 Former proposed number for part of I-95
I-895 Temporary designation for I-95 while that highway was being reconstructed (1979-1980)
US 9
US 13
US 40
US 113
US 122 Decommissioned
US 202
US 301
US 301S Decommissioned
US 301N Decommissioned

District of Columbia[edit]

Shield Highway Notes
I-66
I-66N Former proposed number for what would later be re-proposed as I-266
I-70S Cancelled extension into the District of Columbia
I-95
I-195 Proposed
I-266 Former proposed number for what was Canal Road & Whitehurst Freeway
I-270 Cancelled extension into the District of Columbia
I-295
I-395
I-495
I-695
US 1
US 29
US 50
US 211 Decommissioned in the District of Columbia
US 240 Decommissioned

Florida[edit]

Shield Highway Notes
I-4
I-10
I-75
I-75E Former proposed number for what would later be proposed as I-75W
I-75W Former proposed number for part of what is now I-75
I-95
I-110
I-175
I-185 Cancelled extension into Florida
I-195
I-275
I-295
I-375
I-395
I-595
I-795 Proposed
US 1
US 5 Cancelled extension into Florida
US 17
US 19
US 23
US 27
US 29
US 33 Former proposal
US 41
US 90
US 92
US 94 Decommissioned
US 98
US 129
US 192
US 221
US 231
US 301
US 319
US 331 Decommissioned
US 331
US 431 Cancelled extension into Florida
US 441
US 541 Decommissioned

Georgia[edit]

Shield Highway Notes
I-3 Proposed
I-14 Proposed extension into Georgia
I-16
I-20
I-24
I-59
I-75
I-85
I-95
I-175 Former proposal
I-185
I-285
I-420 Former proposed number for part of SR 166
I-475
I-485 Former proposal
I-516
I-520
I-575
I-675
I-985
US 1
US 5 Cancelled extension into Georgia
US 11
US 13 Cancelled extension into Georgia
US 17
US 19
US 23
US 25
US 27
US 29
US 33 Former proposal
US 41
US 41W Decommissioned
US 41E Decommissioned
US 41E Decommissioned
US 76
US 78
US 78S Decommissioned
US 78N Decommissioned
US 80
US 82
US 84
US 123
US 129
US 270 Former proposal
US 278
US 280
US 301
US 319
US 341
US 378
US 411
US 441

Hawaii[edit]

Shield Highway Notes
H-1
H-1A Former proposal
H-2
H-3
H-4 Former proposal
H-101 Former proposed number for what would become H-201
H-201

Idaho[edit]

Shield Highway Notes
I-11 Possible extension into Idaho
I-15 shield
I-15W Decommissioned; shield
I-80N Decommissioned; shield
I-82 Former proposed number for the renumbering of I-80N
I-82N Former proposed number for what became I-15W
I-84 shield
I-86 shield
I-90
I-180N Former proposed number for what is now I-184
I-184
US-2
US-8 Cancelled extension into Idaho
US-10 Decommissioned in Idaho
US-12
US-14 Cancelled extension into Idaho
US-20
US-26
US-30
US-30S Decommissioned
US-30N Decommissioned
US-30N Decommissioned
US-84 Cancelled extension into Idaho
US-89
US-91
US-93
US-95 was twice Separated by Washington, which was decommissioned
US-95W Decommissioned
US-95E Decommissioned
US-136 Cancelled extension into Idaho
US-191 Decommissioned in Idaho
US-195 was twice Separated by Washington; northern segment in Idaho was decommissioned.
US-287 Decommissioned in Idaho
US-410 Decommissioned
US-530 Former proposed number for either US-30 and/or US-30S
US-630 Decommissioned

Illinois[edit]

Shield Highway Notes
I-24
I-37 Former proposed number for part of I-155
I-39 shield
I-41
I-53 Former proposal
I-55 shield
I-57
I-64
I-66 Former number for a proposed renumbering of I-55
I-66 Former proposal
I-70
I-72 shield
I-74
I-80 shield
I-88
I-90
I-94 shield
I-155
I-172 Decommissioned
I-172
I-174 Former number for a proposed renumbering of I-74
I-180
I-190
I-255
I-270 shield
I-274 Former number for a proposed renumbering of I-80
I-280
I-290 shield
I-294
I-355
I-455 Former proposed number for what is now I-355
I-474
I-490 Proposed
I-494 Former proposed number for Lake Shore Drive
I-494 Former proposed number for the Crosstown Expressway
I-694 Former proposed number for Lake Shore Drive
I-870 Former number for a proposed renumbering of I-270
US 6
US 12
US 14
US 20
US 24
US 26 Cancelled extension into Illinois
US 30
US 32 Decommissioned
US 33 Former proposal
US 34
US 36
US 40
US 41
US 45
US 50
US 51
US 52
US 54
US 58 Cancelled extension into Illinois
US 60 Former proposed number for what became US 66
US 60
US 60E Former proposed number for the current US 60
US 60N Former proposed number for US 66
US 61 Temporarily routed into Illinois when the Eagle Point Bridge was closed
US 62 Former proposed number for what is now US 60
US 62
US 66 Decommissioned
US 67
US 124 Decommissioned
US 136
US 150
US 151 Temporarily routed into Illinois when the Eagle Point Bridge was closed
US 251 Former proposal
US 330 Decommissioned
US 430 Decommissioned
US 460 Decommissioned in Illinois

Indiana[edit]

Shield Highway Notes
I-64
I-65
I-67 Former proposal
I-67 Proposed
I-67 Proposed
I-69
I-70
I-74 shield
I-80 shield
I-90
I-94
I-164 Decommissioned, but may still exist as an unsigned highway.
I-165 Former proposal
I-265
I-275 shield
I-294 Decommissioned in Indiana; later, a proposal to re-extend it into the state was cancelled.
I-465
I-469
I-665 Former proposed number for what would become I-865
I-865
US 4 Former proposal
US 6
US 12
US 20
US 24
US 26 Cancelled extension into Indiana
US 27
US 30
US 31
US 31W Decommissioned in Indiana
US 31E Decommissioned in Indiana
US 33 Former proposal
US 33
US 35
US 36
US 37 Decommissioned
US 40
US 41
US 50
US 52
US 110 Former proposal
US 112 Decommissioned
US 112S Decommissioned
US 131
US 136
US 150
US 152 Decommissioned
US 224
US 231
US 421
US 460 Decommissioned in Indiana
US 641 Decommissioned in Indiana

Iowa[edit]

Shield Highway Notes
I-29
I-35
I-74
I-80
I-80N Decommissioned
I-129
I-174 Former number for a proposed renumbering of I-74
I-235
I-274 Former number for a proposed renumbering of I-80
I-280 Decommissioned
I-280
I-335 Proposed
I-380
I-480
I-680
I-880
US 6
US 18
US 20
US 26 Cancelled extension into Iowa
US 30
US 30S Decommissioned
US 32 Decommissioned
US 34
US 52
US 53 Former proposed extension into Iowa
US 55 Decommissioned
US 55 Former proposal
US 59
US 61
US 63
US 65
US 67
US 69
US 71
US 73 Cancelled extension into Iowa
US 75
US 77
US 136
US 151
US 161 Decommissioned
US 163 Decommissioned
US 169
US 218
US 275

Kansas[edit]

Shield Highway Notes
I-35
I-35W Decommissioned
I-66 Former proposal
I-70
I-135
I-235
I-335
I-435
I-470
I-635
I-670
US-24
US-36
US-40
US-40S Decommissioned
US-40N Decommissioned
US-50
US-50S Decommissioned
US-50N Decommissioned
US-54
US-55 Former proposal
US-56
US-59
US-60 Former proposed number for what became US-66
US-66 Decommissioned
US-69
US-73
US-73W Decommissioned
US-73E Decommissioned
US-75
US-77
US-78 Cancelled extension into Kansas
US-81
US-83
US-154 Decommissioned
US-155 Former proposed number for what became US-156
US-156 Decommissioned
US-159
US-160
US-166
US-169
US-177
US-183
US-250 Former proposal
US-270
US-281
US-283
US-340 Former proposal
US-383 Decommissioned
US-400

Kentucky[edit]

Shield Highway Notes
I-24
I-64
I-65 shield
I-66 Former proposal
I-67 Proposed
I-69
I-71
I-74 Possible extension into Kentucky
I-75 shield
I-165
I-169
I-175 Former proposal
I-264
I-265
I-275
I-365 Proposed
I-369 Former proposed number for what is now proposed as I-569
I-471
I-565 Former proposed number for what is now I-165
I-569 Proposed
US 23
US 25
US 25W
US 25E
US 27
US 31
US 31W
US 31E
US 33 Former proposal
US 37 Decommissioned
US 41
US 41W Decommissioned
US 41E Decommissioned
US 42
US 43 Decommissioned in Kentucky
US 45
US 51
US 52 twice Separated by West Virginia
US 58 Cancelled extension into Kentucky
US 60
US 60E Former proposed number for US 60
US 62
US 68
US 79
US 80 Former proposal
US 119 three times Separated by West Virginia
US 123 Decommissioned
US 127
US 143 Decommissioned
US 150
US 168 Decommissioned
US 227 Decommissioned
US 231
US 241 Decommissioned
US 421
US 431
US 460
US 641

Louisiana[edit]

Shield Highway Notes
I-10
I-12
I-14 Possible extension into Louisiana
I-20 shield
I-29 Former proposal
I-49
I-55
I-59
I-69 Proposed extension into Louisiana
I-110
I-210 shield
I-220 shield
I-310 Former proposed number for the never-built Vieux Carré Riverfront Expressway
I-310
I-410 Former proposed number for the Airline Highway
I-410 Former proposal
I-410 Former proposal
I-420 Former proposal
I-510
I-610 shield
I-910 Unsigned
US 11
US 13 Cancelled extension into Louisiana
US 51
US 61
US 63
US 65
US 71
US 79
US 80
US 84
US 90
US 98 Cancelled extension into Louisiana
US 165
US 167
US 171
US 190
US 371
US 425
US 427 Former proposal

Maine[edit]

Shield Highway Notes
I-92 Former proposal
I-92 Possible proposal
I-95
I-195
I-295
I-395
I-495 Unsigned
US 1
US 2
US 201
US 202
US 302

Maryland[edit]

Shield Highway Notes
I-68 Former proposed number for what became the original I-595
I-68
I-70
I-70S Former proposed number for what is now I-270
I-70N Former proposed number for what is now I-70
I-81
I-83
I-95
I-97
I-99 Former proposal
I-99 Proposed extension into Maryland
I-101 Proposed
I-170 Former proposal
I-195
I-197 Former proposed number for part of the John Hanson Highway
I-270
I-270Y Unsigned
I-295
I-297 Former proposed number for part of Maryland Route 3
I-370
I-395
I-395A Unsigned
I-495
I-495X Unsigned
I-595 Former proposal
I-595 Unsigned
I-695
I-795
I-895
I-895A Unsigned
I-895B Unsigned
US 1
US 5 Cancelled extension into Maryland
US 11
US 13
US 13A Unsigned
US 15
US 15A Unsigned
US 15B Unsigned
US 15G Unsigned
US 29
US 40
US 48 Decommissioned
US 50 twice Separated by Virginia and the District of Columbia
US 50PA Unsigned
US 50QB Unsigned
US 50QC Unsigned
US 50UA Unsigned
US 50WA Unsigned
US 50WB Unsigned
US 50WC Unsigned
US 111 Decommissioned
US 113
US 140 Decommissioned
US 213 Decommissioned
US 219
US 219A Unsigned
US 219B Unsigned
US 219C Unsigned
US 219D Unsigned
US 219E Unsigned
US 219F Unsigned
US 219G Unsigned
US 219J Unsigned
US 220
US 222
US 240 Decommissioned
US 301
US 340
US 522
US 522A Decommissioned unsigned highway
US 522B Unsigned
US 522C Unsigned
US 622 Decommissioned

Massachusetts[edit]

Shield Highway Notes
I-84
I-86 Decommissioned
I-89 Former proposal
I-90
I-91
I-93
I-95 shield
I-95E Former proposed number for what is now I-195
I-190
I-195
I-290
I-291
I-295
I-391
I-395
I-495
I-695 Former proposal
I-895 Former proposal
US 1
US 3
US 5
US 6
US 7
US 20
US 44
US 202

Michigan[edit]

Shield Highway Notes
I-67 Former proposal
I-67 Former proposed number for what is now I-196
I-67 Proposed
I-69

I-69 Temp. Decommissioned
I-73 Former proposed number for what is now I-275
I-73 Proposed extension into Michigan
I-75 shield
I-77 Cancelled in Michigan
I-92 Former proposed number for part of what is now I-94
I-94 shield
I-94N Former proposed number for part of what is now I-96
I-96
I-98 Former proposed number for what is now I-696
I-175 Former proposed number for what is now I-475
I-194
I-196 shield
I-275 Former proposed number for what is now I-675
I-275
I-296 Former proposed number for what is now I-496
I-296 Unsigned (previously signed)
I-375
I-475
I-496
I-675
I-696 shield
US 2 twice Separated by Wisconsin
US 8
US 10
US 12
US 16 Decommissioned in Michigan
US 23
US 24
US 25 Decommissioned in Michigan
US 27 Decommissioned in Michigan
US 31
US 33 Decommissioned in Michigan
US 41
US 45
US 102 Decommissioned
US 110 Former proposal
US 112 Decommissioned
US 127
US 131
US 141 twice Separated by Wisconsin
US 223

Minnesota[edit]

Shield Highway Notes
I-35
I-35E
I-35W
I-90
I-94
I-335 Former proposal
I-394
I-494
I-535
I-694
US 2
US 8
US 10
US 10N Decommissioned
US 10S Decommissioned
US 12
US 14
US 16 Decommissioned in Minnesota
US 52
US 53
US 55 Decommissioned
US 59 Decommissioned
US 59
US 61
US 63
US 65
US 69
US 71
US 73 Cancelled extension into Minnesota
US 75
US 77 Decommissioned in Minnesota
US 169
US 200 Former proposal
US 208 Former proposed number for part of what was US 210
US 210 Decommissioned
US 212
US 218
US 371 Decommissioned

Mississippi[edit]

Shield Highway Notes
I-10
I-14 Proposed extension into Mississippi
I-20
I-22
I-55
I-59
I-61 Proposed
I-69
I-110
I-210 Former proposed number for what is now proposed as I-310
I-220
I-269
I-310 Proposed
I-755 Proposed
US 11
US 13 Cancelled extension into Mississippi
US 45
US 49 twice Separated by the current US 49W & US 49E
US 49W Decommissioned
US 49W
US 49E Decommissioned
US 49E
US 51
US 61
US 65 Decommissioned in Mississippi
US 72
US 78
US 80
US 82
US 84
US 86 Former proposed number for what is now part of US 84
US 90
US 98
US 278
US 425

Missouri[edit]

Shield Highway Notes
I-24 Cancelled extension into Missouri
I-24W Former proposed number for what is now I-155
I-29
I-30 Cancelled extension into Missouri
I-35
I-44
I-49
I-55
I-57
I-64
I-66 Former number for a proposed renumbering of what was I-44, I-55, I-64, I-70, & US 40
I-66 Former proposal
I-70
I-72
I-144 Former proposed number for part of what is now I-270
I-155
I-170
I-229
I-244 Former proposed number for part of what is now I-270
I-255
I-270
I-364 Possible former proposed number for what is now Route 364
I-370 Former proposed number for what is now Route 370
I-435
I-470
I-635
I-670
I-755 Former proposal
US 24
US 36
US 40
US 50
US 54
US 55 Former proposal
US 56
US 59
US 60 Former proposed number for what would become US 66
US 60
US 60E Former proposed number for the current US 60
US 60N Former proposed number for US 66
US 61
US 62 Former proposed number for what is now US 60
US 62
US 63
US 65
US 66 Decommissioned
US 67
US 69
US 71
US 73 Decommissioned in Missouri
US 78 Cancelled extension into Missouri
US 80 Former proposal
US 136
US 159
US 160
US 166
US 169
US 271 Cancelled extension into Missouri
US 275
US 400
US 412
US 460 Decommissioned in Missouri

Montana[edit]

Shield Highway Notes
I-15
I-90
I-94
I-115
I-315 Unsigned
US 2
US 8 Cancelled extension into Montana
US 10 Decommissioned in Montana
US 10S Decommissioned
US 10N Decommissioned
US 12 Was previously proposed in two parts before rerouting
US 20
US 87
US 87W Decommissioned
US 87E Decommissioned
US 89
US 91 Decommissioned in Montana
US 93
US 191 twice Separated by Wyoming
US 200 Former proposal
US 212 twice Separated by Wyoming
US 287
US 310
US 312 twice Decommissioned; separated by Wyoming
US 789 Former proposal

Nebraska[edit]

Shield Highway Notes
I-76
I-80 shield
I-80S Decommissioned
I-129
I-180
I-280 Decommissioned
I-480 shield
I-580 Decommissioned
I-680
US-6
US-20
US-26
US-26N Decommissioned
US-30
US-30S Decommissioned
US-32 Decommissioned
US-34
US-38 Decommissioned
US-73
US-73W Decommissioned
US-73E Decommissioned
US-75
US-77
US-81
US-83
US-136
US-138
US-159
US-183
US-275
US-281
US-283
US-383 Decommissioned
US-385

Nevada[edit]

Shield Highway Notes
I-11
I-15
I-66 Former proposal
I-80
I-215
I-515
I-580
US 6
US 40 Decommissioned in Nevada
US 50
US 91 Decommissioned in Nevada
US 93
US 95
US 140 Former proposal
US 395
US 466 Decommissioned

New Hampshire[edit]

Shield Highway Notes
I-89
I-92 Former proposal
I-92 Former proposal
I-92 Proposed
I-93 shield
I-95
I-193 Decommissioned
I-293
I-393
US 1
US 2
US 3
US 4
US 5 Decommissioned in New Hampshire
US 202
US 302

New Jersey[edit]

Shield Highway Notes
I-76
I-78
I-80
I-80S Decommissioned
I-82 Former proposed number
I-95
I-195
I-278
I-280
I-287
I-295
I-395 Decommissioned
I-495 Cancelled extension into New Jersey
I-676
I-680 Decommissioned
I-695 Former proposed number for part of what is now I-95
I-895 Former proposal
US 1
US 9
US 9W
US 22
US 30
US 40
US 46
US 122 Decommissioned
US 130
US 140 Former proposal
US 202
US 206
US 322
US 611 Decommissioned

New Mexico[edit]

Shield Highway Notes
I-10
I-25
I-40
I-66 Former number for a proposed renumbering of I-40
I-66 Former proposal
US 54
US 55 Former proposal
US 56
US 60 Former proposed number for what would become US 66
US 60
US 62
US 64
US 66 Decommissioned
US 70
US 80 Decommissioned in New Mexico
US 82
US 84
US 85
US 87
US 90 Cancelled extension into New Mexico
US 114 Former proposal
US 160
US 164 Decommissioned
US 180 Decommissioned
US 180 twice Separated by Texas
US 260 Decommissioned
US 285
US 360 Former proposal
US 366 (1927–1932) Decommissioned
US 366 (1932–1939) Decommissioned
US 370 Former proposal
US 380
US 385 Decommissioned
US 393 Former proposed number for the renumbering of US 666
US 412
US 460 Former proposal
US 466 Former proposal
US 470 Decommissioned
US 485 Decommissioned
US 491
US 550
US 560 Former proposal
US 566 Decommissioned
US 570 Former proposed number
US 666 Decommissioned
US 789 Former proposal

New York[edit]

Shield Highway Notes
I-78
I-81 shield
I-82 Former proposed number
I-83 Possible cancelled extension into New York
I-84
I-86 twice Separated by Pennsylvania
I-87
I-88
I-90
I-90N Decommissioned
I-92 Former proposal
I-92 Former proposal
I-92 Proposed
I-95 shield
I-98 Proposed
I-99
I-187 Former proposed number for what would become I-487
I-190
I-278
I-281 Decommissioned
I-287 shield
I-290
I-295
I-386 Former proposal
I-390
I-478 Former proposed number for what was the Lower Manhattan Expressway & the Manhattan Bridge
I-478 Former proposed number for what was the Grand Central Parkway
I-478 Unsigned
I-481
I-487 Decommissioned
I-487 Former proposal
I-490
I-495
I-587
I-590
I-678
I-684 twice Separated by Connecticut; shield
I-687 Former proposal
I-690
I-695
I-781
I-787
I-790
I-878 Decommissioned
I-878 Unsigned
I-890
I-895 Decommissioned
I-990
US 1
US 2
US 4
US 5 Cancelled extension into New York
US 6
US 6N Decommissioned
US 7 Decommissioned in New York
US 9
US 9E Decommissioned
US 9W
US 11
US 11N Former proposal
US 15
US 20
US 44
US 62
US 104 Decommissioned
US 109 Decommissioned
US 202
US 209
US 219
US 220 Decommissioned in New York

North Carolina[edit]

Shield Highway Notes
I-3 Possible extension into North Carolina
I-13 Former proposed number for part of US 13 & US 17
I-20 Cancelled extension into North Carolina
I-26
I-36 Former proposed number for what is now proposed as I-42
I-40
I-42 Proposed
I-44 Former proposed number for what is now I-87
I-46 Former proposed number for what is now proposed as I-42
I-50 Former proposed number for what is now I-87
I-50 Former proposed number for what is now proposed as I-42
I-56 Former proposed number for what is now I-87
I-73
I-74
I-77
I-83 Cancelled extension into North Carolina
I-85

I-85 Temp. Decommissioned
I-87
I-89 Former proposed number for what is now I-87
I-95
I-99 Former proposal
I-101 Proposed
I-140 Former proposed number for what is now I-240
I-140 Former proposed number for part of US 1
I-140
I-185 Former proposed number for what is now I-285
I-195 Former proposed number for what is now I-295
I-240
I-274 Proposed
I-277
I-285
I-295
I-440
I-485
I-495 Decommissioned
I-540
I-587
I-640 Former proposed number for what is now I-540
I-685 Proposed
I-785
I-795
I-840
I-885
US 1
US 5 Cancelled extension into North Carolina
US 13
US 15
US 17
US 19
US 19W
US 19E
US 21
US 23
US 25
US 29
US 33 Former proposal
US 52
US 64
US 64E Former proposal
US 64W Former proposal
US 70
US 74
US 76
US 117 Decommissioned
US 117
US 121 Decommissioned
US 129
US 158
US 170 Decommissioned
US 176
US 178
US 217 Decommissioned
US 220
US 221
US 258
US 264
US 270 Former proposal
US 276
US 301
US 311
US 313 Former proposal
US 319 Cancelled extension into North Carolina
US 321
US 401 Decommissioned
US 401
US 411 Decommissioned
US 421
US 441
US 501
US 521
US 601
US 701
US 901 Former proposal

North Dakota[edit]

Shield Highway Notes
I-29
I-31 Former proposed number for part of what is now I-29
I-94
I-194 Unsigned
US 2
US 2S Decommissioned
US 2N Decommissioned
US 8 Cancelled extension into North Dakota
US 10
US 12
US 52
US 59 Decommissioned in North Dakota
US 81
US 83
US 85
US 200 Former proposal
US 281
US 281S Decommissioned
US 385 Cancelled extension into North Dakota

Ohio[edit]

Shield Highway Notes
I-70
I-70A Decommissioned
I-71
I-73 Proposed extension into Ohio
I-74
I-75
I-76
I-77
I-79 Former proposed number for what is now I-77
I-80
I-80N Former proposed number for what is now part of I-90, part of I-480, & the entirety of I-490
I-80S Decommissioned
I-90
I-177 Former proposed number for part of what is now I-77
I-270
I-271
I-275
I-277
I-280
I-290 Former proposed number for what is now parts of I-490 & I-271
I-380 Proposed
I-470
I-471
I-475 shield
I-480
I-480N Unsigned
I-490
I-670
I-675
I-680
US 4 Former proposal
US 6
US 20
US 20S Decommissioned
US 20N Decommissioned
US 21 Decommissioned in Ohio
US 22
US 23
US 24
US 25 Decommissioned in Ohio
US 27
US 30
US 30S Decommissioned
US 30N Decommissioned
US 33 Former proposal
US 33
US 35
US 36
US 40
US 42
US 50
US 50S Decommissioned
US 50N Decommissioned
US 52
US 62
US 68
US 127
US 223
US 224
US 250
US 322
US 422

Oklahoma[edit]

Shield Highway Notes
I-35
I-40
I-44
I-66 Former number for a proposed renumbering of I-40 and I-44
I-66 Former proposal
I-235
I-240
I-244
I-335 Proposed
I-344 Proposed
I-440 Decommissioned
I-444 Unsigned
US-54
US-55 Former proposal
US-56
US-59
US-60 Former proposed number for what would become US-66
US-60
US-62
US-64
US-66 Decommissioned
US-69
US-70
US-70N Decommissioned
US-73 Decommissioned in Oklahoma
US-75
US-77
US-81
US-83
US-164 Decommissioned
US-169
US-177
US-183
US-259
US-260 Former proposal; shield
US-266
US-270
US-271
US-277
US-281
US-283
US-287
US-377
US-385
US-412

Oregon[edit]

Shield Highway Notes
I-5
I-11 Possible extension into Oregon
I-80N Decommissioned
I-82 Former proposed number for the renumbering of I-80N
I-82
I-84
I-105
I-205
I-305 Former proposed number for part of what is now OR 99E Bus.
I-405
I-505 Former proposal
US 12 Cancelled extension into Oregon
US 14 Cancelled extension into Oregon
US 14N Former proposal
US 20
US 26
US 28 Decommissioned
US 30
US 30S Decommissioned
US 30N Decommissioned
US 84 Cancelled extension into Oregon
US 95
US 97
US 99 Decommissioned
US 99W Decommissioned
US 99E Decommissioned
US 101
US 126 Decommissioned
US 136 Cancelled extension into Oregon
US 140 Former proposal
US 197
US 199
US 320 Former proposal
US 395
US 420 Former proposal
US 630 Decommissioned
US 730

Pennsylvania[edit]

Shield Highway Notes
I-67 Proposed
I-70
I-70S Decommissioned
I-76
I-78
I-79
I-80
I-80S Decommissioned
I-80N Former proposed number for what is now I-78
I-81
I-81E Decommissioned
I-81S Former proposed number for what would become I-81E
I-82 Former proposed number for what would later be proposed as I-81S
I-83
I-84
I-86 twice Separated by New York
I-90
I-95
I-99
I-176
I-178 Former proposal
I-179 Former proposed number for what is now part of I-79
I-180 Decommissioned
I-180
I-195 Cancelled extension into Pennsylvania
I-276
I-279
I-280 Decommissioned
I-283
I-295
I-376
I-378 Decommissioned
I-380
I-395 Decommissioned
I-476
I-479 Decommissioned
I-480 Decommissioned
I-495 Former proposed number for what would become I-480
I-495 Southbound lanes of I-495 actually begin in Pennsylvania.
I-576 Proposed
I-579
I-676
I-680 Decommissioned
I-695 Former proposal
I-876 Decommissioned
I-895 Former proposal
I-895 Former proposal
US 1
US 5 Cancelled extension into Pennsylvania
US 6
US 6N Decommissioned
US 6N
US 11
US 13
US 15
US 19
US 20
US 22
US 30
US 40
US 46 Decommissioned in Pennsylvania
US 62
US 106 Decommissioned
US 111 Decommissioned
US 119
US 120 Decommissioned
US 122 Decommissioned
US 122 Decommissioned
US 140 Decommissioned
US 202
US 206
US 209
US 219
US 220
US 222
US 224
US 230 Decommissioned
US 309 Decommissioned
US 322
US 422 Split into two parts
US 522
US 611 twice Decommissioned; separated by New Jersey
US 622 Decommissioned
US 711 Decommissioned

Puerto Rico[edit]

Shield Highway Notes
PRI-1 Unsigned
PRI-2 Unsigned
PRI-3 Unsigned

Rhode Island[edit]

Shield Highway Notes
I-84 Cancelled extension into Rhode Island
I-95 shield
I-95E Former proposed number for what is now I-195
I-184 Former proposed number for what was Route 10
I-195
I-295
I-495 Cancelled extension into Rhode Island
I-895 Former proposal
US 1
US 6
US 44

South Carolina[edit]

Shield Highway Notes
I-3 Possible extension into South Carolina
I-14 Possible extension into South Carolina
I-20
I-26
I-73 Proposed extension into South Carolina
I-74 Proposed extension into South Carolina
I-77

I-77 Temp. Decommissioned
I-85
I-95
I-99 Former proposal
I-126
I-174 Former proposed number for what is now the Robert Edge Parkway
I-185
I-326 Decommissioned unsigned highway
I-385
I-520
I-526
I-585
I-685 Former proposed number for I-85 Bus.
US 1
US 5 Cancelled extension into South Carolina
US 13 Cancelled extension into South Carolina
US 15
US 17
US 21
US 25
US 29
US 33 Former proposal
US 52
US 76
US 78
US 117 Decommissioned in South Carolina
US 123
US 158 Cancelled extension into South Carolina
US 176
US 178
US 217 Decommissioned
US 220 Cancelled extension into South Carolina
US 221
US 276
US 278
US 301
US 313 Former proposal
US 319 Cancelled extension into South Carolina
US 321
US 378
US 401 Decommissioned
US 401
US 501
US 521
US 601
US 701
US 901 Former proposal

South Dakota[edit]

Shield Highway Notes
I-29
I-90
I-190
I-229
US 8 Cancelled extension into South Dakota
US 12
US 14
US 16
US 18
US 77 Decommissioned in South Dakota
US 81
US 83
US 85
US 85E Decommissioned
US 183
US 212
US 216 Decommissioned
US 281
US 385

Tennessee[edit]

Shield Highway Notes
I-3 Proposed
I-22 Cancelled in Tennessee
I-24 twice Separated by Georgia; shield
I-24W Former proposed number for what is now I-155; had no connection with I-24
I-26
I-40
I-55
I-65
I-69 Proposed
I-75
I-81
I-124 Unsigned
I-126 Former proposed number for part of the renumbering of I-181
I-140
I-155
I-169 Proposed
I-175 Former proposal
I-181 Decommissioned
I-240 shield
I-255 Former proposed number for what is now I-40
I-265 Decommissioned
I-269
I-275
I-326 Proposed
I-440
I-475 Former proposal
I-640
I-840 Original proposal was cancelled, but then re-designated from SR 840
US 11
US 11W
US 11E
US 19
US 19W
US 19E
US 23
US 25
US 25W
US 25E
US 27
US 31
US 31W
US 31E
US 33 Former proposal
US 37 Decommissioned
US 41
US 41W Decommissioned
US 41W Decommissioned
US 41E Decommissioned
US 41E Decommissioned
US 43
US 45 twice Seperated by US 45W & US 45E
US 45W
US 45E
US 51
US 58
US 61
US 63 Decommissioned in Tennessee
US 64
US 70
US 70S
US 70N
US 72 twice Separated by Mississippi & Alabama
US 74
US 76
US 78
US 79
US 127
US 129
US 143 Decommissioned
US 231
US 241 Decommissioned
US 241 Decommissioned
US 270 Decommissioned
US 321
US 411 Decommissioned
US 411
US 412
US 421
US 431
US 441
US 511 Decommissioned
US 641

Texas[edit]

Shield Highway Notes
I-2
I-10
I-14
I-20
I-27
I-30
I-35
I-35E
I-35W
I-37
I-40
I-44
I-45
I-49 Exit ramps cross state line.
I-66 Former number for a proposed renumbering of I-40
I-69
I-69W
I-69C
I-69E
I-110
I-169
I-214 Proposed
I-227 Proposed
I-327 Proposed
I-345 Unsigned
I-369
I-410
I-610
I-635
I-820
US 11 Cancelled extension into Texas
US 54 twice Separated by New Mexico
US 57
US 59
US 60 Former proposed number for what would become US 66
US 60
US 62 twice Separated by New Mexico
US 66 Decommissioned
US 67
US 69
US 70
US 71
US 75
US 77
US 79
US 80
US 80N Decommissioned
US 81
US 82
US 83
US 84
US 85
US 87
US 90
US 96 Decommissioned
US 96
US 114 Former proposal
US 164 Decommissioned
US 175
US 180 twice Separated by New Mexico
US 181
US 183
US 190
US 259
US 271
US 277
US 281
US 283
US 285
US 287
US 290
US 360 twice Former proposal; separated by New Mexico
US 366 twice Decommissioned; separated by New Mexico
US 370 Decommissioned
US 377
US 380
US 385 Decommissioned
US 385
US 466 Former proposal

Utah[edit]

Shield Highway Notes
I-15

I-15 Temp. Decommissioned
I-17 Proposed extension into Utah
I-70
I-80
I-80N Decommissioned
I-82 Former proposed number for what became I-80N
I-82S Former proposed number for part of what would become I-80N
I-84
I-215
I-415 Former proposed number for what is now I-215
US-6
US-24 Cancelled extension into Utah
US-30 Decommissioned in Utah
US-30S Decommissioned
US-34 Cancelled extension into Utah
US-40
US-50
US-84 Cancelled extension into Utah
US-89
US-91
US-160 Decommissioned in Utah
US-163 Former proposal
US-163
US-189 Decommissioned
US-189
US-191 used to be twice Separated by Wyoming, but the northern Utah segment was decommissioned.
US-330 Former proposal
US-450 Decommissioned
US-491
US-530 Decommissioned
US-630 Former proposal
US-666 Decommissioned

Vermont[edit]

Shield Highway Notes
I-89
I-91
I-92 Former proposal
I-92 Former proposal
I-92 Proposed
I-93 shield
I-98 Proposed
I-189
I-289 Former proposed number for what is now VT 289
US 2
US 4
US 5 used to be twice Separated by New Hampshire, which was decommissioned.
US 7
US 302

Virginia[edit]

Shield Highway Notes
I-13 Former proposed number for parts of US 13 and/or US 17
I-44 Former proposed number for what is now I-87's proposed extension into Virginia
I-50 Former proposed number for what is now I-87's proposed extension into Virginia
I-56 Former proposed number for what is now I-87's proposed extension into Virginia
I-64
I-66 Former proposal
I-66 shield
I-66N Former proposed number for what would later be proposed as I-266
I-73 Proposed extension into Virginia
I-74 Proposed extension into Virginia
I-77
I-81
I-83 Cancelled extension into Virginia
I-85 shield
I-87 Proposed extension into Virginia
I-89 Former proposed number for what is now I-87's proposed extension into Virginia
I-95
I-99 Former proposal
I-101 Proposed
I-164 Former proposal
I-195 shield
I-264
I-266 Former proposed number for Spout Run Parkway
I-295 shield
I-381
I-395
I-464
I-495 shield
I-564
I-581
I-595 Former proposed number for part of US 1
I-664
I-785 Proposed extension into Virginia
I-864 Former proposal
I-895 Former proposed number for what is now SR 895, and may become I-895 in the future
US 1
US 5 Cancelled extension into Virginia
US 11
US 11W
US 11E
US 13
US 15
US 17
US 19
US 21
US 23
US 25E Decommissioned in Virginia
US 29
US 33
US 48
US 50
US 52
US 58
US 60
US 60E Former proposed number for US 60
US 117 Decommissioned
US 121 Decommissioned
US 121 Proposed
US 158 Decommissioned in Virginia
US 170 Decommissioned
US 211
US 219
US 220
US 221
US 250
US 258
US 301 Decommissioned
US 301
US 311 Decommissioned in Virginia, but later re-extended into the state
US 319 Cancelled extension into Virginia
US 321 Decommissioned in Virginia
US 340 twice Separated by West Virginia
US 360
US 401 Decommissioned
US 411 Decommissioned
US 411 Decommissioned in Virginia
US 421 used to be twice Was separated by Tennessee, then was re-routed
US 460 twice Separated by West Virginia
US 501
US 511 Decommissioned
US 522

Washington[edit]

Shield Highway Notes
I-5
I-11 Possible extension into Washington
I-82
I-90
I-105 Former proposed number for what is now I-705
I-182
I-205
I-405
I-605 Former proposal
I-605 Former proposal
I-605 Former proposal
I-705
US 2
US 8 Cancelled extension into Washington
US 10 Decommissioned in Washington
US 12 Would have been twice, had the extension into Oregon been designated
US 95 Decommissioned in Washington
US 97
US 99 Decommissioned
US 101
US 195
US 197
US 295 Decommissioned
US 395
US 410 Decommissioned
US 420 Former proposal
US 730
US 830 Decommissioned

West Virginia[edit]

Shield Highway Notes
I-64
I-66 Former proposal
I-68
I-70
I-73 Proposed extension into West Virginia
I-74 Proposed extension into West Virginia
I-77
I-79
I-81
I-268 Former proposed number for the West Run Expressway
I-470
US 11
US 19
US 21 Decommissioned in West Virginia
US 22
US 30
US 33
US 35
US 40
US 48 Decommissioned
US 48
US 50 twice Separated by Maryland
US 50S Decommissioned
US 50N Decommissioned
US 52 three times Separated by Kentucky each time
US 60
US 119 three times Separated by Kentucky each time
US 121 Proposed
US 219
US 220
US 250
US 340
US 460
US 522

Wisconsin[edit]

Shield Highway Notes
I-39
I-41
I-43
I-47 Former proposed number for what is now I-41
I-55 Cancelled extension into Wisconsin
I-57 Former proposal
I-90
I-94
I-535
I-594 Former proposed number for what is now I-41
I-643 Former proposed number for what is now I-41
I-794 shield
I-894 shield
US 2 twice Separated by Michigan
US 8
US 10
US 12
US 14
US 16 Decommissioned in Wisconsin
US 18
US 41
US 45
US 51
US 53
US 55 Former proposal
US 61
US 63
US 110 Decommissioned
US 112 Former proposal
US 116 Former proposal
US 118 Decommissioned
US 141 twice Separated by Michigan
US 151

Wyoming[edit]

Shield Highway Notes
I-25
I-80
I-90
I-180
US 12 twice Former proposed extension into Wyoming
US 14
US 16
US 18
US 20
US 26
US 30
US 30S Decommissioned
US 30N Decommissioned
US 85
US 85E Decommissioned
US 87
US 87W Decommissioned
US 87E Decommissioned
US 89
US 116 Decommissioned; shield
US 120 Former proposal
US 136 Cancelled extension into Wyoming
US 163 twice Former proposal; separated by US 163W & US 163E
US 163W Former proposal
US 163E Former proposal
US 185 Decommissioned; shield
US 187 Decommissioned
US 189
US 191 twice Separated by a now-decommissioned segment in Utah, a now-decommissioned segment in Idaho, & Montana
US 212 three times Separated by Montana
US 216 Decommissioned
US 220 Former proposal
US 285 Decommissioned
US 287
US 310
US 312 Decommissioned
US 320 Decommissioned
US 330 Former proposal
US 420 Decommissioned; shield
US 530 Former proposal
US 789 Former proposal