US 79

Three road widening projects are under way in Kentucky Transportation Cabinet District 3, according to its traffic impact report for Oct. 18–23:

• US 31 (U.S. 31-W Bypass), Bowling Green: widening to five lanes from KY 234 to Park Street in northern Bowling Green, expected to be completed in 2027. Through the construction zone, traffic is narrowed to one lane in each direction with a center turn lane.
• KY 884, Bowling Green: widening to three lanes from McCoy Place to Fieldstone Boulevard has started, with a roundabout at Smallhouse Road, sidewalks on both sides and a new bridge over I-165.
• US 79, Todd County: widening from the Tennessee state line to mile marker 3.

A safety project on U.S. 31-E in Barren County also includes minor widening, to create a 4-foot buffer between opposing lanes.

The full report from Kentucky Transportation Cabinet District 3:

Kentucky Transportation Cabinet District 3 Traffic Impact Report for Oct. 18 Through Oct. 23
The District 3 area serves Allen, Barren, Butler, Edmonson, Logan, Metcalfe, Monroe, Simpson, Todd, and Warren Counties

BOWLING GREEN, Ky. (Oct. 18, 2026) – The expected traffic impacts in the Kentucky Transportation Cabinet District 3 area for Oct. 18 through Oct. 23 are listed below. All work is subject to change.

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KYTC District 3's weekly summaries show a busy construction season across the 10-county region. The U.S. 31-W Bypass in northern Bowling Green (KY 234 to Park Street) is being widened to five lanes, with traffic narrowed to one lane each way until 2027. The I-165 Green River bridges in Butler County are being fully restored, with southbound traffic crossed over and a 55 mph limit through fall 2026. U.S. 68 is being realigned for 1.2 miles between KY 729 (Green County) and KY 745 (Metcalfe County) with a new bridge over Caney Fork Creek, and the U.S. 68/KY 70 intersection has been rebuilt slightly east of its old location. U.S. 79 is being widened from the Tennessee line to mile marker 3 and was closed overnight in Russellville for resurfacing. U.S. 231 (Main Street) in Butler County closed overnight for resurfacing, and lane closures began on I-165 near the I-65 interchange.

In Barren County, a nine-mile KY 90 safety corridor between Cave City and Glasgow is adding alternating passing lanes and turn lanes, and a U.S. 31-E Highway Safety Improvement Project (mile points 8–12) adds a four-foot centerline buffer to reduce head-on crashes, plus a turn lane at Windy Hills Road. Smaller items: a new 1.8-mile KY 185 alignment opened in northern Warren County (the old road became KY 3557), and lane assignments changed at KY 242 and U.S. 31-W to improve flow.

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Work on US 79 in Logan County recently narrows the highway to one lane: Logan County News-Democrat&Leader: Bridge work on U.S. 79 to be one-lane (Oct. 4, 2005) 

A route has been chosen for the proposed southern bypass of Russellville. The chosen route was the longest of three alternatives considered and will connect at the existing northern bypass at both ends. Right-of-way purchase for the eastern leg of the bypass (between US 68/KY 80 and KY 100) is expected to begin this year.

More information: Bowling Green Daily News: Logan selects route for bypass (May 3, 2005) , Logan County News-Democrat & Leader: Commissioner says Southern Bypass coming (May 3, 2005) 

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Kentucky New Era writer describes her trip along a stretch of road in Todd and Logan Counties that she claims is much the same it was 30 years ago: (Hopkinsville) Kentucky New Era: Trenton to Keysburg: A road that never changes (Jan. 16, 2004)