Standards and specifications

Ind. Code § 9-21-3-1, under Traffic Control Signals.

Ind. Code § 9-21-3-1

Sec. 1. Each traffic control signal on a street or highway within Indiana must conform with the standards, specifications, and warrants set forth in the Indiana Manual on Uniform Traffic Control Devices for Streets and Highways. [Pre-1991 Recodification Citation: 9-4-3.1-1.] As added by P.L.2-1991, SEC.9.