Portal:U.S. roads/Did you know/August 2011

... prior to the construction of the Cave Rock Tunnel (pictured), U.S. Route 50 was a single lane road featuring a hanging bridge along the eastern shore of Lake Tahoe?
...that Utah State Route 32 is a former section of U.S. Route 189 that became disconnected from the rest of the route when the portion through the town of Hailstone was submerged by the Jordanelle Reservoir?
...that the Central Scranton Expressway was built on a portion of the former Lackawanna and Wyoming Valley Railroad right-of-way passing beneath the Harrison Avenue Bridge?
...that the final piece of mainline Interstate 80 to open to traffic was a 5 mile stretch in Utah that included the interchange with Interstate 215 and the Salt Lake International Airport, in 1986?
... the original Reno Arch was installed to celebrate the completion of the Lincoln and Victory Highways?