Highway Designation File

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


Certified Mileage (Open to Traffic)
0.779 2010

BUSINESS INTERSTATE HIGHWAY NO. 40-A

Minute Order 090522, dated 06/21/1990; Adm. Ltr. 001-1991, 01/14/1991

From IH 40, southwestward to Glenrio at Texas/New Mexico State Line, a distance of approximately 0.8 mile. (Deaf Smith County)  As requested by district, mileage transferred from SL 504.


Minute Order 112453, dated 09/30/2010

From IH 40, southwestward to Glenrio at Texas and New Mexico State Line, a distance of approximately 0.8 mile. (Deaf Smith and Oldham Counties) Corrected description by adding Oldham County to the current description of the roadway.