Category: Resources

Building Crosswalks for Walkable Communities Video
Why solar-powered rectangular rapid flashing beacons (RRFBs) are the answer RRFBs are now an essential part of the toolkit of engineers, planners, and active transportation advocates looking to improve pedestrian safety and build complete streets in their communities. These pedestrian-activated, high-intensity warning lights notify drivers when a pedestrian enters the crosswalk and can be installed in […]
Request RRFB IA-21 Approval: Download Our Guidance Letter
As of March 20, 2018, the rectangular rapid flashing beacon (RRFB) has interim approval from the Federal Highway Administration (FHWA). More information about the interim approval, IA-21, can be found in the Manual on Uniform Traffic Control Devices (MUTCD) memo, Interim Approval 21 – Rectangular Rapid-Flashing Beacons at Crosswalks. The memo indicates that all state and […]
When Yellow Means Stop: Deciphering RRFB Light Color
The studies have proven it: rectangular rapid flashing beacons (RRFBs) work. Yield rates can be as high as 96% where RRFBs are installed. That’s a huge increase when yield rates are as low as 18% with a simple painted crosswalk. If RRFBs are working that effectively in one community, they must work in every community—right? […]
RRFB IA 21
IA-11 is no longer valid: existing RRFBs installed under IA-11 may remain operating until the end of their useful serviceable life. RRFBs Are Back: How to Put Them in Action in Your State. Read More
Five Corners Roundabout – Edmonds, WA
Location: Edmonds, Washington, USA Project size: 10 R920 RRFBs Client: City of Edmonds Client website: www.edmondswa.gov/ Overview: In the city of Edmonds, Washington, a five-way intersection, located where 212th Street SW, Bowdoin Way, and 84th Avenue W converge, was often congested, and several serious accidents had occurred there. The intersection was given an “F” rating […]
Improving Community Connections with RRFB Technology
Make a compelling argument for bringing rectangular rapid flashing beacon technology to crosswalks in your community. We’ve compiled a slide presentation to assist you. Use the full presentation or just the parts you need. The presentation includes: How walkable streets are the way of the future How existing routes present an opportunity for improvement Research and safety of marked […]
Enhancing safety in Indianapolis school zones
Location: Marion County – Indianapolis, IN Client: City of Indianapolis and Marion County Overview: Marion County, the most populous county in Indiana, aimed to make school zone signage more visible to motorists. Here, school zone signs lacked flashing beacons of any kind, relying on signage alone for driver compliance—which required drivers to scrutinize posted times to determine if […]
Crosswalk Improvements Help Students in Des Plaines, IL Get Active
Carmanah Rectangular Rapid Flashing Beacon (RRFB) technology becomes a solar-powered ally for students and parents requesting better active transportation infrastructure. Encouraging children to walk and bike to school is an ongoing project for active transportation advocates, and it isn’t any wonder they are trying so hard. The childhood health benefits of biking and walking abound, […]
University Campus Crosswalk Gains Pedestrian Safety with Rectangular Rapid Flashing Beacons
Project Summary Pedestrian safety is imperative at the University of Calgary where every year they experience a higher volume of students, faculty, and motorists. These pedestrians, both day and night, need to cross high-traffic streets to access the interior of the campus. Alberta Traffic Supply, Carmanah Technologies’ authorized distributor for Alberta, was already working with […]