U.S. Federal Route 6 runs east-west across Lake County. The majority of this highway is on the, heavaly traveled, Borman Expressway. U.S. Rt. 6 passes through the following towns in Lake County. Hammond
Hobart U.S. Rt. 6 is multi-plexed in Lake County Interstate 80, from the Illinois/Indiana State Line to Lake Station. Interstate 94, from the Illinois/Indiana State Line to Lake Station.
U.S. Rt. 41, from Calumet Ave. to Indianapolis Blvd. in Hammond.