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

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Certified Mileage (Open to Traffic)

30.518

2010

FARM TO MARKET ROAD NO. 491

Minute Order 021215, dated 06/26/1945  (Hidalgo County)  07/09/1045 (Willacy County) (date of agreement)

From SH 107 at La Villa northward and eastward to US 77, one mile south of Lyford (Hidalgo/Willacy Counties).  New Designation

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Minute Order 030249, dated 05/23/1951, Adm. Ord., dated 07/16/1951

From US 77 approximately 1.0 mile south of Lyford westward and southward via La Villa and Mercedes to US 281, a distance of approximately 31.4 miles. (Willacy and Hidalgo Counties)  Extended approximately 11.0 miles from SH 107 at La Villa  to US 83 in Mercedes FM 1428 canceled and combined approximately 5.5 miles added.

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Minute Order 031215, dated 11/20/1951

From US 77, 1.0 mile south of Lyford westward and southward via La Villa and Mercedes to US 281 with a spur connection of 0.6 mile northward to US 83 at east city limit of Mercedes, a distance of approximately 32.0 miles. (Willacy and Hidalgo Counties)  Spur connection of  approximately 0.6 mile added.

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Adm. Ord., dated 03/27/1952

From US Highway 77, 1.0 mile south of Lyford westward and southward via La Villa to US 83 in Mercedes and from another point on US 83 at the east city limit of Mercedes southward to US 281, a distance of approximately 30.4 miles. (Willacy and Hidalgo Counties)  Route revised in Mercedes causing a decrease of 1.6 miles.

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Minute Order 052409, dated 03/20/6193, Minute Order 069304, dated 09/30/1974, Adm. Ltr. 07-1978, dated 07/14/1978

From SL 77, 1.0 mile south of Lyford, westward and southward via LaVilla to SL 374 in Mercedes, and from another point on SL 374 in Mercedes, southward to US 281, a total distance of approximately 30.5 miles. (Willacy and Hidalgo Counties)  Old location US 77 redesignated SL 448 and old location US 81 redesignated SL 374.

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