Highway Designation File

Transportation Planning and Programming Division
Current Description-Effective Date-Authority


Certified Mileage (Open to Traffic)
16.304 2010

FARM TO MARKET ROAD NO. 1518

Minute Order 027505, dated 09/28/1949

From SH 346 south of San Antonio, southeastward to a road intersection, a distance of approximately 3.4 miles.  (Bexar County)  New Designation.



Minute Order 033179, dated 12/17/1952

From a road intersection, eastward to SH 346; thence southeastward to another road intersection, a distance of approximately 6.6 miles.  (Bexar County)  Extended approx. 3.6 miles from SH 346 westward to a county road intersection.



Minute Orders 034075 and 034076, dated 04/23/1953; Adm. Auth., dated 05/25/1953

From US 81 at Lytle, eastward via Bexar Community and Somerset to a road intersection, a distance of approximately 16.0 miles.  (Bexar County)  Extended approx. 9.4 miles to US 81, 6.9 miles of which transferred from cancelled FM 1749.



Minute Order 040955, dated 11/21/1956; Adm. Cir. 016-1957, dated 03/01/1957

From US 81 at Lytle, eastward via Somerset and Thelma to FM 1937 near Losoya, a distance of approximately 22.4 miles.  (Atascosa and Bexar Counties)  Extended eastward approx. 6.1 miles.



Minute Order 043838, dated 04/24/1958; Adm. Auth., dated 08/08/1958

From US 81 at Lytle, eastward and northeastward via Somerset, Thelma, Losoya, and Elmendorf to FM 78 east of Randolph Air Force Base; and from another point on FM 78 at Schertz northwestward to US 81 at Selma, a total distance of approximately 61.8 miles.  (Bexar, Atascosa, and Guadalupe Counties)  Section of FM 1537 from Losoya to US 87 cancelled and combined, adding approx. 21.5 miles; Minute 43838 extended from US 87 northward to US 50, adding approx. 9.0 miles; FM's 1316 and 1621 cancelled and combined, adding approximately 6.0 miles and 4.0 miles respectively; a total increase of approx. 40.5 miles.



Minute Order 053108, dated 06/28/1963; Adm. Cir.146-1963, dated 10/01/1963

From FM 471 in La Coste, southward to US 81 in Lytle; and from another point on US 81 in Lytle, eastward and  northeastward via Somerset, Thelma, Losoya, and Elmendorf to 78 east of Randolph Air Force Base; and from another point on FM 78, northwestward to US 81 at Selma, a total distance of approximately 66.5 miles.  (Medina, Atascosa, Bexar, and Guadalupe Counties)  Extended northward approx. 6.6 miles from US 81 to FM 471.



Adm. Auth., dated 08/23/1973; Adm. Cir. 110-1973, dated 09/15/1973

From SH 16 eastward and northeastward via Elmendorf to FM 78 east of Randolph Air Force Base; and from another point on FM 78 at Schertz, northwestward to US 81 at Selma, a total distance of approximately 46.2 miles.  (Bexar & Guadalupe Counties)  Section from SH 16 westward and northward approx. 19.9 miles transferred to FM 1604 and FM 2790.



Minute Order 072928, dated 06/30/1977; Adm. Ltr. 008-1977, dated 08/15/1977

From SL 1604, approximately 1.7 miles north of US 87, northward to FM 78, east of Randolph Air Force Base; and from another point on FM 78 at Schertz, northwestward to US 81 at Selma, a total distance of approximately 16.0 miles.  (Bexar & Guadalupe Counties)  New description; from SH 16 eastward and northeastward approx. 30.2 miles now a part of SL 1604.



Minute Order 105686, dated 06/27/1995; DesLtr 03-1995, dated 06/30/1995

From UR 78 southeastward and southward to SL 1604, a distance of approx. 12.960 miles. (Bexar County)  Mileage from IH 35 southeastward to UR 78 transferred to UR 1518.