 The portion of SH 124 from its south end at SH 87 to FM 1406 in Winnie is part of a longer hurricane evacuation route extending northward to US 90.SH 124 was originally designated along a route from Fredericksburg to Comanche passing through Llano, San Saba, and Goldthwaite on September 9, 1927.On March 19, 1930, that previous route was reassigned as part of SH 81 and is now part of SH 16, while SH 124 was designated over a new route from Port Bolivar along the current SH 87 to High Island, and then over the current SH 124 to Stowell, replacing a split of SH 125 that was designated on December 16, 1929.