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

...that the passing lanes of the Arroyo Seco Parkway (pictured), California's first freeway, were paved in a different color to encourage drivers to stay in their lanes?
...that the western terminus of Delaware Route 2 was cut back from the Maryland border to the eastern part of Newark in 2013 in order to reduce sign clutter in Newark?
... that the 30-mile (48 km) section of Interstate 15 in Arizona was the most expensive section of rural freeway through the Virgin River Gorge?
... that New York State Route 3 initially extended as far west as Niagara County?
... that although it has not been signed since 1979, Interstate 296 near Grand Rapids is still a current part of the Interstate Highway System?