U.S. Federal Route 31 runs north-south in Western Hamilton County. This highway by-passes much of Carmel and Nobelsville. U.S. Rt. 31 passes through the following towns in Hamilton County. Carmel Westfield
East Union
U.S. Rt. 31 is multi-plexed in Hamilton County. Interstate 465, near Indianapolis. U.S. Rt. 52, near Indianapolis. U.S. Rt. 421, near Indianapolis. U.S. Rt. 31 intersects the following highways in Marion County. Interstate 465, near Indianapolis.
SB U.S. Rt. 31 at the Hamilton/Tipton County Line. SB U.S. Rt. 31 north of 191st St. SB U.S. Rt. 31 at IN St Rt 32. SB U.S. Rt. 31 at 161st St. SB U.S. Rt. 31 at 156th St. SB U.S. Rt. 31 north of Keystone Parkway. SB U.S. Rt. 31 at Keystone Parkway. SB U.S. Rt. 31 at Keystone Parkway. SB U.S. Rt. 31 at Main. A BGS on SB U.S. Rt. 31. A BGS on SB U.S. Rt. 31. A BGS on SB U.S. Rt. 31. SB U.S. Rt. 31 at I-465. BGS on WB I-465/NB U.S. Rt. 421. A BGS on EB I-465/U.S. Rt. 52, SB U.S. Rt. 421. A BGS on EB I-465/U.S. Rt. 52, SB U.S. Rt. 421. A guide BGS on SB U.S. Rt. 31. A travel time sign on EB I-465/U.S. Rt. 52. EB I-465/U.S. Rt. 52; SB U.S. Rt. 31/421 east of U.S. Rt. 31.
