Indiana State Route 51 is a north-south highway in Northeastern Lake County. This runs from U.S. Rt. 30 to Gary. IN St Rt 51 passes through the following towns in Lake County. Gary
The northern end marker. NB IN St Rt 51 near the northern end point. NB IN St Rt 51 at I-90/IN E-W Toll Road. A set of guide markers on the ramp from WB I-94. A BGS on WB I-94. A BGS on WB I-80/90. A group of junction markers on EB BUSN U.S. Rt. 6. A junction marker on NB IN St Rt 130. A set of guide markers on NB IN St Rt 130. SB IN St Rt 51 south of Hobart. A junction marker on WB U.S. Rt. 30. The southern end of IN St Rt 51. The southern end marker.
