 On June 14, 1961, SH 103 was truncated to rerouted SH 7, which was built along a new route and part of cancelled FM 327 (the rest of FM 327 became part of FM 1819).On June 21, 1990, one small section of SH 103 from Loop 287 to Business US 59 was transferred to Business US 69.A spur route, SH 103A, was designated on January 23, 1939 from Lufkin to Milam.