Highway Designation File
Transportation Planning and Programming Division
Current Description-Effective Date-Authority
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
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]