Sources

The corridor and the bridge

The sidewalks and bike lanes on Old Chapel Hill Road came from the EB-4707B bike/pedestrian project, funded by the City of Durham, NCDOT, and the Town of Chapel Hill. The City's capital-project records show $2,164,721 in City spending as of August 2023. City of Durham CIP
The bridge is NCDOT structure 310215, Old Chapel Hill Road (SR 2220) over New Hope Creek. NCDOT's 2024 traffic count for this road is about 14,500 vehicles a day.

Durham adopted its Vision Zero Action Plan in April 2025. The High Injury Network is about 10% of city streets and about 74% of serious and fatal crashes. City of Durham Vision Zero
The street map uses a copy of the City's 68 High Injury Network corridors, retrieved October 2, 2026, from the data behind the City's own High Injury Network map. Old Chapel Hill Road appears as Route 40002220032, a 1.0-mile corridor inside City limits.
This segment of Old Chapel Hill Road (Segment 4961) is on the High Injury Network, with an average percentile rank of 84.3 for crash severity (highest 90.1), from the City's High Injury Network map.

FHWA's Crash Modification Factors Clearinghouse lists a 50.2% reduction in bicycle–vehicle crashes (CMF 0.498) for converting a conventional bike lane to a separated bike lane with flexible delineator posts, from a 2023 FHWA study using data from Cambridge, San Francisco, and Seattle. CMF Clearinghouse · FHWA study
FHWA's Innovator newsletter (March/April 2024): flexible delineators "can reduce bicycle-vehicle crashes by up to 53 percent." FHWA Innovator
The figure applies to bicycle–vehicle crashes on streets that converted painted bike lanes. It's evidence that separation works, not a prediction for this bridge.

Durham is installing vertical protection on MLK Jr. Parkway and West Main Street (a state-owned road). City of Durham

Durham's fiscal year begins July 1. The City Manager presents a proposed budget in spring, and City Council adopts the budget in June. City of Durham budget process