Portal:U.S. roads/Did you know/April 2010

... that in July 2005, signage at the intersection of Massachusetts Route 10 and Massachusetts Route 141 (pictured) identified the routes with Alabama route markers?
... that California State Route 4 has portions that are multi-lane freeway, and portions that are a single lane?
... that with a 1981 expansion, U.S. Route 191 became 10 times longer than its parent, U.S. Route 91?
... that the US National Park Service is helping to fund improvements to county road H-58, which serves as the main access road to the Pictured Rocks National Lakeshore in the Upper Peninsula of Michigan?
... that the numerical designation of Nevada State Route 140 was influenced by backers of the "Winnemucca to the Sea Highway", a proposed route that would connect northwestern Nevada, southern Oregon and the California coast under one highway number?
... that none of State Highway 32 as it was originally designated through southwestern Oklahoma in 1934 is a part of the current route?