My previous post about US Route 50 in Illinois on Arlington Blvd. got picked up by ARLNow.com. In the comments, more problems were posted, like this one for US 1 over the 14th Street Bridge (specifically the Arland Williams Bridge which is I-395/US 1 northbound) between Arlington, Va. and Washington, D.C.:
There are problems all over the place as documented here (Many highways on Maps have recently begun rendering with unusual names – Google Map Maker Issue Tracker).