Highway Designation File

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


Certified Mileage (Open to Traffic)
2.618 2010

BUSINESS STATE HIGHWAY NO. 78-D

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

From SH 78 southward and southeastward via Blue Ridge to SH 78, a distance of approximately 2.6 miles. (Collin County)  As requested by district, mileage transferred from SL 173.