Highway Designation File

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


Certified Mileage (Open to Traffic)
7.488 2010

FARM TO MARKET ROAD NO. 492

Minute Order 021215, dated 06/26/1945 (Date of Agreement)

From US 83, 4.0 miles west of Mission, northward 3.0 miles.  (Hidalgo County)  New Designation.



Minute Order 030249, dated 05/23/1951

From US 83, approximately 4.0 miles west of Mission, northward and eastward to FM 681, approximately 2.0 miles west of SH 107, a distance of approximately 9.4 miles.  (Hidalgo County)  Extended northward and eastward approximately 6.4 miles to FM 681.



Minute Order 058966, dated 03/02/1967; Adm. Ltr. 007-1978, dated 07/14/1978

From SL 374, approximately 4 miles west of Mission, northward and eastward approximately 9.6 miles to FM 681, approximately 2 miles west of SH 107.  (Hidalgo County)  New description; old location US 83 redesignated SL 374.



Adm. Auth., dated 01/07/1987; Adm. Ltr. 001-1987, dated 01/22/1987

From SL 374, approximately 4 miles west of Mission, northward approximately 7.5 miles to FM 2221.  (Hidalgo County)  New description; section of approx. 2.1 miles, from FM 681 westward to FM 2221, transferred to FM 2221.



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

From FM 2221 southward to UR 1924, a distance of approx. 4.025 miles. (Hidalgo County)  Mileage from UR 1924 southward to BU 83-S transferred to UR 492.