Highway Designation File
Transportation Planning and Programming Division
Current Description-Effective Date-Authority
| 22.042 | 2010 |
FARM TO MARKET ROAD NO. 646
Minute Order 021215, dated 07/23/1945 (Date of Agreement)
From Rotan westward 5.0 miles. (Fisher County) New Designation.
Minute Order 026979, dated 07/14/1949
From Rotan, southwestward to a road intersection, a distance of approximately 9.0 miles. (Fisher County) Extended southwestward 4.0 miles.
Adm. Order, dated 07/11/1951
Cancelled. (Fisher County) Cancelled and combined with FM 611.
Minute Order 030331, dated 05/23/1951; Adm. Order, dated 07/27/1951
From FM 62 at Camden, southeastward to Barnes; thence southward to Hortense, a distance of approximately 6.9 miles. (Polk County) New designation; formerly a section of FM 62.
Adm. Order, dated 01/14/1952
Cancelled. (Polk County) Mileage transferred to FM 942.
Adm. Auth., dated 01/16/1953
From FM 517, southward to SH 6 near Alta Loma, a distance of approximately 4.8 miles. (Galveston County) Formerly a section of FM 517.
Minute Order 044946, dated 10/31/1958; Adm. Cir. 028-1959, dated 02/15/1959
From FM 517 southwest of Dickinson, southward to SH 6 at Alta Loma; and from another point on SH 6 at Alta Loma, southward and southwestward to Brazoria County Line, a total distance of approximately 11.7 miles. (Galveston County) Extended approx. 6.9 miles from SH 6 to Brazoria County Line.
Adm. Auth., dated 12/05/1961; Adm. Cir. 181-1961, dated 12/11/1961
From FM 517 southwest of Dickinson, southward to SH 6 at Alta Loma, a distance of approximately 4.8 miles. (Galveston County) Section from SH 6 southward and southwestward approx. 6.9 miles to Brazoria County Line transferred to FM 1561.
Adm. Auth., dated 10/08/1964; Adm. Cir. 111-1964, dated 10/15/1964
From FM 517 southwest of Dickinson, southward to SH 6 at Alta Loma; and from another point on SH 6 at Alta Loma, southward to FM 2004, a total distance of approximately 8.6 miles. (Galveston County) Section of FM 1561, from SH 6 southward approximately 3.8 miles, transferred to this FM.
Minute Order 071350, dated 05/25/1976; Adm. Ltr. 017-1976, dated 11/15/1976
From IH 45 and FM 3002 in League City, southward to SH 6 at Alta Loma; and from another point on SH 6 at Alta Loma, southward to FM 2004, a total distance of approximately 10.2 miles. (Galveston County) New description; extended northward approx. 1.6 miles from FM 517 to IH 45.
Adm. Auth., dated 02/08/1980; Adm. Ltr. 004-1980, dated 04/15/1980
From FM 517, approximately 1.0 mile southwest of Bacliff, westward, southwestward, and southward approximately 12.2 miles to SH 6 at Santa Fe; and from another point on SH 6 in Santa Fe, southward approximately 3.9 miles to FM 2004, a total distance of approximately 16.1 miles. (Galveston County) New description; route extended over FM 3002.
Adm. Auth., dated 07/20/1982; Adm. Ltr. 008-1982, dated 08/12/1982
From FM 517 (9th St) and Ave B in San Leon, westward and southward along
Ave B and Grand St, and via League City and Dickinson to SH 6 in Santa
Fe; and from another point on SH 6 in Santa Fe, southward along Main St
and Tacquard Rd to FM 2004, a distance of approximately 21.7 miles.
(Galveston County) New description; as requested by District, route
extended over FM 3436.
Minute Order 105686, dated 06/27/1995; DesLtr 03-1995, dated 06/30/1995
From SH 6 southward to FM 2004, a distance of approx. 3.89 miles. (Galveston County) Mileage from SH 6 northward and northeastward to UR 64 at San Leon transferred to UR 646.
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