Portal:U.S. roads/Did you know/August 2016

• ... that drivers of large vehicles on Utah State Route 9 are charged an additional toll to pay for National Park Service workers to stop traffic at the other end of the Zion - Mt. Carmel Tunnel?
• ... that the Greenfield Lane segment of the decommissioned New York State Route 273 is no longer part of the highway's new designation?
• ... that a five-mile-long (8.0 km) section of the Seward Highway south of Anchorage, Alaska, has different speed limits for the right and left lanes?
• ... that Interstate 83 (I-83) is the shortest Interstate highway (85.3 miles (137.3 km)) with any associated routes (I-283)?
• ...that the city of West Sacramento, California is converting the former State Route 275 freeway into a surface road by replacing interchanges with at-grade intersections?