Portal:U.S. roads/Did you know/September 2012


 * ...that the Davison Freeway (pictured) in Detroit, Michigan was the first urban, depressed freeway in the United States?
 * ...that South Carolina Highway 700 connects Charleston with Wadmalaw Island, the site of the only working tea plantation in the United States?
 * ...that the first roundabout constructed in St. Mary's County, Maryland, was at the junction of Maryland Route 234 and Maryland Route 238?
 * ...that the first callboxes in San Diego County, California were on California State Route 52 near Convoy Street in 1988?
 * ...that it took two years to restore U.S. Route 90 in Mississippi following Hurricane Katrina in 2005?