 The U.S. highways that run through Norwalk include U.S. Route 20 (part of the Norwalk bypass south of town), which connects Fremont to the west and Elyria to the east; and U.S. Route 250, which connects Sandusky from the northwest and Ashland from the southeast.State highways that run through Norwalk include SR 13, which connects Mansfield from the south and Huron from the north; SR 18, which connects Tiffin from the west and Medina from the east; and SR 61, which connects Shelby from the south and Berlin Heights as well as Lake Erie from the northeast.Furthermore, State Route 601 is an alternate two-lane highway that acts as a de facto eastern bypass of Norwalk and US 250, running from SR 113 at Milan to SR 18 southeast of Norwalk.