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Mercer County - Columbia Avenue Improvement Project

Columbia Avenue Project Map

The Pennsylvania Department of Transportation (PennDOT) invites the public to view a display of plans for a roadway improvement project on Columbia Avenue (Route 4011) in Greenville Borough, Mercer County.

The project involves resurfacing 0.80 miles of Columbia Avenue from Route 58 (South Mercer Street) to Route 358 (South Main Street) in Greenville Borough. The project also includes replacement of manholes, pavement markings, signing and curb ramp updates.

Plans for the project will be displayed:

Date: January 20, 2020, to January 31, 2020
Time: 8:00 AM to 4:30 PM, Monday through Friday
Location: Greenville Borough Building
125 Main Street
Greenville, PA 16125

Construction is expected to occur in 2020. 

During a portion of the work, a detour will be in place using Route 58 and Route 358. During other times, lane restrictions will be in place and traffic will be controlled by flaggers.


Brian Bowen - PennDOT Project Manager,, or call 814-678-7366