U.S. Federal Route 30 runs east-west through Lake County. This is a major through way in northern part of the County. Route 30 is also a good alternative to the Borman Expy. U.S. Rt. 30 passes through the following towns in Lake County. Dyer
Schererville
Merrillville
Hobart
U.S. Rt. 30 is not multi-plexed in Lake County. U.S. Rt. 30 intersects the following highways in Lake County. U.S. Rt. 41, at Schererville.
A EB guide marker. EB U.S. Rt. 30 at Schererville. EB U.S. Rt. 30 near Merrillville. A BGS on SB I-65. EB U.S. Rt. 30 at I-65. EB U.S. Rt. 30 at I-65. WB U.S. Rt. 30 in Merrillville, east of I-65.