Highway Designation File

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


Certified Mileage (Open to Traffic)
1.745 2010

BUSINESS STATE HIGHWAY NO. 146-D

Minute Order 111772, dated 03/26/09; DesLtr 1-2009, dated 4-15-09

In La Porte, from SH 146 eastward to SL 501, a distance of approximately 0.7 mile. (Harris County) Segment from SL 501 northward and westward to SH 146 transferred to the city, a distance of approximately 1.44 miles.


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

In La Porte, from SH 146 eastward, southward, and westward to SH 146, a distance of approximately 3.3 miles. (Harris County)  As requested by district, mileage transferred from SL 410.