Highway Designation File

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


Adm. Auth., dated 10/05/1960; Adm. Cir. 163-1960

San Antonio Loop - From IH 10 in the north edge of San Antonio, eastward to IH 35 at Fratt.  (Bexar County)  Section of SL 13 changed to SL 410 to provide continuous 410 number with IH 410 for guidance of highway traffic.

Minute Order 062561, dated 07/31/1969; Adm. Cir. 062-1969, dated 08/15/1969

Cancelled.  (Bexar County)  Mileage transferred to IH 410.

Minute Order 065661, dated 12/01/1971; Adm. Cir. 125-1971, dated 12/15/1971

La Porte Loop - From SH 146 eastward, southward, and westward to SH 146 in city of La Porte.  (Harris County)  To be marked SH 146  business route.

Adm. Auth., dated 07/28/1977; Adm. Ltr. 008-1977, dated 03/15/1977

From SH 146 in La Porte eastward, southward, and westward to SH 146.  (Harris County)  New description; section along Ave J, from SH 146 eastward to Broadway, cancelled.  Section of SS 501, from Ave J southward approx. 1.1 miles to SS 498, transferred to SL 410.  SS 498 cancelled and combined, adding approx. 0.6 mile; to be marked SH 146 business route.

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

Cancelled.  (Harris County)  Mileage transferred to BS 146-D.