Interstate 264 (Kentucky)

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Interstate 264 (Kentucky) is a partial loop around Louisville, south of the Ohio River. It’s an auxiliary route of I-64 and forms Louisville’s inner beltway, totaling about 22.93 miles (36.90 km). The outer beltway around Louisville is I-265 (Gene Snyder Freeway).

Names and route
- Shawnee Expressway: the western part, from I-64/US 150 to US 31W/US 60.
- Watterson Expressway: the eastern part, from US 31W/US 60 to I-71.
- The highway starts about 4 miles west of downtown at I-64 near the Sherman Minton Bridge and ends about 6 miles northeast at I-71.

What it’s for
- I-264 serves as Louisville’s main detour when I-64 is closed through downtown.
- In 2016, after the Lewis and Clark Bridge was completed, I-265 became another detour option by connecting Kentucky and Indiana routes.

History highlights
- 1948: The first section opened as a two-lane bypass from Dixie Highway to Shelbyville Road, relocating US 60.
- 1952: The road was named the Watterson Expressway.
- 1958: AASHO approved I-264 as part of Kentucky’s urban Interstate plan; it was intended as a partial beltway.
- 1965–1974: The route was widened and extended to form a complete loop; signage eventually reflected I-264 on both segments.
- 1984: The US 60 concurrency with I-264 was removed.
- 1985–1995: Major reconstruction of the Watterson Expressway to fix aging infrastructure and congestion.
- 2003–2004: The Shawnee Expressway segment was rebuilt with new pavement, bridges, signs, and widened sections.
- 2010: The western portion was renamed the Georgia Davis Powers Expressway.
- 2010–2014: Interchange improvements at Westport Road (KY 1447) and US 42 were completed; plans to rebuild the I-65 interchange continue.
- All of I-264 is located in Jefferson County, Louisville.

Traffic
- About 70,000 vehicles per day near US 31W; about 40,000 near the western end.