On February 4, 1941, the section of SH 136 from the Moore–Potter county line to Stinnett was cancelled. On September 22, 1942, the route was extended east to Borger. The highway was extended to the Oklahoma state line on November 21, 1963, replacing most of FM 278 and all of FM 2216.
On February 4, 1941, a portion of SH 136 between Moore-Potter county line and Stinnett was removed. In September 1942, the route was extended east to Borger. By November 1963, the highway reached the Oklahoma state line, replacing most of FM 278 and all of FM 2216.