Highway Designation File

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

Certified Mileage (Open to Traffic)
2.218 2010


Minute Order 028175, dated 02/21/1950

From US 77 at Harrison Street in Harlingen, eastward to proposed Harlingen Port; thence northward to FM 106, a distance of approximately 6.5 miles. (Cameron County)  New Designation.

Minute Order 046 170, dated 07/01/1959, Adm. Cir., 128-1959, dated 08/01/1959

From FM 106 approximately 3.0 miles east of US 77, northward and eastward to FM 106 southwest of Rio Hondo, a distance of approximately 4.0 miles. (Cameron County)  Mileage of present FM 1595, from US 77 eastward and northward to present junction with FM 100, transferred to FM 106, a decrease of approximately 6.5 miles; new designation, from a point on present FM 1595 approximately 3.0 miles east of US 77, northward approximately 1.6 miles to present FM 106; section of present FM 106, from of new designation eastward approximately 2.2 miles to junction of present FM's 106 and 1595 transferred to this FM.

Minute Order 104783, dated 12/21/1994; DesLtr., 006-1994, dated 12/28/1994

From redesignated FM 509, approximately 2.0 miles south of FM 508, eastward to FM 106, a distance of approx. 2.2 miles. (Cameron County)  Segment included in SL 590 removed.