INTERSTATE HIGHWAY NO. 27

Highway Designation File

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

**Certified Mileage (Open to Traffic)**
124.182	2010

INTERSTATE HIGHWAY NO. 27

DOT Letter dated 12/24/1968; Adm. Cir. 08-1969, dated 02/01/69.

From a junction with IH 40 in Amarillo to Lubbock. New Designation

DOT Letter, 12/19/75; Adm. Cir. 005-1976, 01/15/76

From a junction with IH 40 in Amarillo southward to a connection with SL 289 south of Lubbock. (Potter, Randall, Swisher, Hale, and Lubbock Counties) Extended from SL 289 north of Lubbock southward to SL 289 south of Lubbock.

[Marshall Formby Memorial Hwy - IH 27 between IH 40 in Amarillo to US 84 in Lubbock. Acts 2005, 79th Leg., ch. 851, § 1, eff. Sept. 1, 2005]

Minute Order 116799, dated 9/26/2024

In and south of the city of Lubbock, a segment of IH 27 was extended on the state highway system along a concurrency with US 87 from the existing IH 27 terminus located in the city of Lubbock to approximately 0.1 mile north of County Road 7500, a total distance of 4.2 miles. (Lubbock County) Extension: Along Concurrency