A trio of Arlington intersections could soon be getting some new traffic signals and pedestrian safety improvements.
This Saturday, the Arlington County Board is set to review a $2.3 million contract to replace traffic signals that hang from wires to those attached to poles, or mast arms. The improvements also include wider sidewalks, accessible curb ramps and high-visibility crosswalks.
The work will be conducted at the following intersections, each in North Arlington:
- N. Glebe Road and Chesterbrook Road
- Williamsburg Blvd and N. Westmoreland Street
- Wilson Blvd and Patrick Henry Drive
The traffic signal replacements are part of a county program replacing outdated traffic signals to meet current federal and local standards.
“Signal upgrade projects implement new technologies such as accessible push button stations, CCTV for monitoring, video detection, and improved intersection lighting to improve safety, efficiency, and accessibility for all modes of travel,” according to a project webpage.
Installing mast arm traffic signals on wide streets has been found to be a cost-effective way to reduce collisions, according to the Federal Highway Administration. One study of Virginia Department of Transportation data, however, found crashes decreased, but not by a statistically significant amount.
The FHWA also says span wire signals can have higher maintenance costs and are generally considered less aesthetically pleasing due to the overhead wires. But after these replacement projects occurred elsewhere in Arlington, some residents took to Nextdoor to mourn the loss of the wire-hung signals, which they said were not as bulky as the large poles that replaced them.
The three projects would join a half-dozen traffic light replacement projects already planned for this summer and fall.
The county is lumping in pedestrian safety and accessibility improvements with the replacements, per a county report.
Currently, the intersections lack curb ramps that are accessible to people with disabilities, while pedestrians have to contend with long crossings and narrow sidewalks, the county says.
Widening the sidewalks and adding accessible curb ramps and high-visibility crosswalks will create “safe, accessible, and user-friendly intersections,” the county says.
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