Highway Designation File

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

Certified Mileage (Open to Traffic)
59.725 2010


Minute Order 016701, dated 09/26/1939

From Knox City via Munday to a point on US 82. General redescription of Highway System. 

Exec. Order, dated 01/07/1948; Adm. Cir. 001-1948

From SH 283 at Knox City, eastward to a connection with US 277 in Munday, a distance of approximately 12.0 miles.  (Knox County)  Section from 1 mile west of Munday, northward to US 82 cancelled to become part of FM 267.

Minute Order 070200, dated 07/31/1975; Adm. Cir. 117-1975, dated 12/15/1975

From SH 6 at Knox City, eastward to US 277 in Munday.  (Knox County) New description; redescribed due to SH 283 being redesignated as SH 6.

Minute Order 090669, dated 08/29/1990; Adm. Ltr. 003-1990, d1 12/18/1990

From US 82, 6.0 miles west of the Knox County Line, southeastward via Knox City and Munday to US 380 west of Throckmorton, a distance of approximately 60.6 miles.  (King, Knox, Haskell, and Throckmorton Counties) New description;  section of approximately 19.4 miles, from US 82 eastward to SH 6 transferred from FM 143; and another section of approximately 7.5 miles, from US 277 eastward to FM 266, transferred from FM 1587; and another section of approximately 4.0 miles, from FM 1587 southward to FM 1720, transferred from FM 266; and another section of approximately 27.0 miles, from FM 266 southward to US 380, transferred from FM 1720.