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


 * ...that the introduction of E-ZPass (pictured) has led to "significant improvements of infant health" among mothers giving birth that lived near toll plazas?
 * ... that state highway K-143 near Salina, Kansas, uses three different types of pavement on its 4.6 mi?
 * ...that the first modern roundabout on the Maryland highway system was constructed at the intersection of Maryland Route 94 and Maryland Route 144 in Lisbon in 1993?
 * ...that comedian Robert Schimmel was killed in an accident on Loop 101 in Scottsdale, Arizona in 2010?
 * ...that the Old Baltimore Pike was used by the French army during their march from Newport, Rhode Island to Yorktown during the Revolutionary War in 1781?