Highway Designation File

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


Certified Mileage (Open to Traffic)
36.949 2010

FARM TO MARKET ROAD NO. 644

Minute Order 021215, dated 08/06/1945 (date of agreement)

From US 80 at Loraine northward 8.0 miles (Mitchell County).  New Designation.



Minute Orders 026075, 026109, dated 12/16/1948

From junction US 84 at Hermleigh southward to Loraine thence to a road intersection approximately 4.7 miles south of Loraine, a total distance of approximately 21.1 miles. (Mitchell and Scurry Counties)  Extended south of Loraine (4.7 miles) and from Mitchell County Line north to Hermleigh (8.4 miles).



Adm. Auth., dated 02/24/1953

From US 180 southward via Hermleigh and Loraine to a road intersection, a distance of approximately 26.0 miles. (Scurry and Mitchell Counties) FM 1612 canceled and combined, adding approximately 4.9 miles.



Minute Order 035139, dated 10/28/1953

From US 180 southward to US 84 north of Hermleigh, and from another point on US 84 in Hermleigh southward via Loraine and southwestward to a road intersection, a distance of approximately 32.0 miles. (Scurry and Mitchell Counties)  Extended approximately 6.0 miles southwestward.



Minute  Order 036761, dated 09/29/1954, Adm.Cir., 046-1954, dated 10/15/1954

From US 180 southward to US 84 north of Hermleigh, and from another point on US 84 in Hermleigh southward to US 80 in Loraine, and from another point on US 80 in Loraine southward and westward to SH 208 approximately 8 miles southward from Colorado City, a distance of approximately 38.1 miles. (Scurry and Mitchell Counties)  Extended westward approximately 6.1 miles to SH 208.



Adm. Auth. , dated 08/18/1955, Adm Cir., 036-1955, dated 09/15/1955

From US 180 southward to US 814 north Of Hermleigh; and from another point on US 84 in Hermleigh southward to US 80 in Loraine; and from another point on US 80 in Loraine southward and westward to SH 208 approximately 9.0 miles south of Colorado City, a distance of approximately 37.0 miles. (Scurry and Mitchell Counties)  Modified to describe change of southward terminus, a decrease of approximately 1.1 miles.



Minute Order 042902, dated 10/31/1957, Adm. Cir., 049-1957, dated 12/01/1957

From US 180 southward to US 84 north of Hermleigh; and from another point on US 84 in Hermleigh southward to US 80 (interstate 20) in Loraine; and from another point on US 80 (IH 20) in Loraine southward and westward to SH 208 approximately 9 miles south Of Colorado City, a distance of approximately 36.9 miles. (Scurry and Mitchell Counties)  Extended from SL 316 northward to US 80 (IH 20) in Loraine, adding approximately 0.3. 



Minute Order 051603, dated 07/31/1962; Adm. Ltr., 002-1978, dated 02/15/1978

From US 180 southward to SL 367 north of Hermleigh; and from another point on SL 367 in Hermleigh, southward to BI 20-K in Loraine; and from IH 20 in Loraine, southward and westward to SH 208 approx. 9.0 miles south of Colorado City, a total distance of approx. 37.0 miles. (Scurry and Mitchell Counties)  Old location US 84 redesignated SL 367.