The project involved reconstructing 1.5 miles of CTH PD from a 2-lane rural section to a 4-lane urban roadway in Madison, Wi with improved intersection geometrics to address safety concerns. The design included sidewalk, multi-use path, path bridge over CTH PD, bike lanes, storm sewer, sanitary sewer, water main, lighting, traffic signals, traffic control plans, environmental document, Section 4f coordination, wetland tracking, project plat, public involvement, utility coordination and acquiring permits.
The Badger Mill Creek channel was enhanced to function as a stormwater treatment pond to increase the removal of suspended solids and control peak flows.
Challenges of the project included upgrading the profile to improve sight distance, providing adequate vertical clearance for the pedestrian bridge over CTH PD, and proactively coordinating utilities to determine utility impacts for high-voltage transmission poles and high-pressure gas lines. As a result, both facilities were provided sufficient time to develop relocation plans, acquire easements, and perform relocations before construction.
