The 5.12 miles (8.24 km) of SR 148 that lie within Indiana serve as a minor highway.

SR 148 ends at a traffic signal with U.S. Route 50 (US 50), near the Ohio River.

[4][5] No segment of State Road 148 in Indiana is included in the National Highway System (NHS).

[6] The NHS is a network of highways that are identified as being most important for the economy, mobility and defense of the nation.

This measurement is a calculation of the traffic level along a segment of roadway for any average day of the year.