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

... that a portion of Virginia State Route 110 is used for the course of the Marine Corps Marathon (pictured)?
... that a landmark along Interstate 84 is the Thousand Mile Tree, which marks the western progress of exactly 1000 miles along the original alignment of the First Transcontinental Railroad?
... that the Michigan Department of Transportation has erroneously marked Forest Highway 16 as "County Road H-16" on their maps since 1992?
... that the section of Maryland Route 307 between the Dorchester–Caroline county line and Federalsburg became the first section of state road placed under contract for construction by the Maryland State Roads Commission in June 1909?
...that, despite being added to California's state highway system in 1933, the portion of State Route 190 over the Sierra Nevada remains unconstructed?