20
Quote:
FARM TO MARKET ROAD NO. 20
Adm. Auth., Dated 04/18/1958 & 04/24/1958; Adm. Circ. 19-1958, dated 05/01/1958
From SH 71 west of Bastrop, southwestward to a point on US 183 at Lockhart; and from another point on US 183 at Lockhart, southwestward via Fentress to SH 123 north of Seguin, a total distance of approx. 54.3 miles. (Bastrop, Caldwell, and Guadalupe Counties)
https://www.dot.state.tx.us/tpp/hwy/FM/FM0020.htm