On September 26, 1945, the section of SH 279 in Lake Brownwood state park was cancelled, and SH 279 was rerouted more directly from Brownwood to Cross Plains, replacing FM 602.
State Highway 279's route in Lake Brownwood state park was eliminated on September 26, 1945, and the highway's path was revised to be more direct from Brownwood to Cross Plains, supplanting Farm-to-Market Road 602.