State Highway 164 (SH 164) is a Texas state highway that runs from near Waco to Buffalo. The route was originally designated on September 17, 1930 from SH 6 to the town of Mart,[2] and was extended to Groesbeck on August 15, 1933.[3] On July 15, 1935, the east end was cut back to the Limestone County line.[4] On February 11, 1937, the section from the Limestone County line to Groesbeck was restored.[5]SH 164 extended to Buffalo on November 16, 1937.[6]