Portal:Maryland roads/Did you know/8

...that U.S. Route 11 near Hagerstown, has been relocated and placed in a tunnel in separate projects to lengthen the runway at Hagerstown Regional Airport?
...that Maryland Route 222 is the only state route that has the same number as a U.S. route?
...that the eastern terminus of Interstate 70 is at a park and ride lot in Baltimore?