Overview of Innovation
Four-lane undivided highways have a history of relatively high crash rates as traffic volumes increase and as the inside lane is shared by higher-speed through traffic and left-turning vehicles. Additionally, as more communities desire complete streets and more livable spaces, they are looking for ways to improve pedestrian and bicycle facilities and transit options. One solution that addresses safety concerns and benefits all modes is a “road diet.” A classic road diet typically involves converting an existing four-lane, undivided roadway segment to a three-lane segment consisting of two through lanes and a center, two-way, left-turn lane. The resulting benefits include a crash reduction of approximately 19 to 47 percent, reduced vehicle speeds, improved mobility and access, and improved quality of life. A road diet allows the additional space that is freed up by removing a vehicular travel lane to be used for bike lanes, pedestrian refuge islands, transit stops, and/or parking.
Implementation Team
- Craig Allred, Resource Center ([email protected])
- Gene Calvert, Safety Engineer, City of New Braunfels DOT, TX ([email protected])
- Brian Chandler, LEIDOS-consultant ([email protected])
- Becky Crowe, Team Leader
- Josh DeBruyn, MI DOT Ped Bike Coord ([email protected])
- Peter Eun, Resource Center ([email protected])
- Dan Goodman, Planning ([email protected])
- Keith Harrison, Resource Center ([email protected])
- Elizabeth Hilton, Infrastructure ([email protected])
- Peter Hsu, District 7 Safety Engineer – FDOT ([email protected])
- Keith Knapp, Iowa LTAP ([email protected])
- Zylkia Martin-Yambo, CA Division ([email protected])
- Jesse Mintz-Roth, NYC DOT ([email protected])
- Greg Morris, GA Division ([email protected])
- Norah Ocel, Federal Lands ([email protected])
- Greg Piland, IL Division ([email protected])
- Jessica Rich, TN Division ([email protected])
- Heather Rigdon, LEIDOS ([email protected])
- Gabe Rousseau, Office of Safety ([email protected])
- Jacinda Russell, FHWA RI Division ([email protected])
- Jeff Shaw, Office of Safety ([email protected])
- Jaime Tuddao, Safety Engineer-NV DOT ([email protected])
- Monica Worth, LEIDOS ([email protected])
Implementation Plan: Working Draft
PLEASE NOTE: The Innovation Market Research Tool assigned in Week 4 has been added to this same Google Doc below the Target Audience Descriptor Tool. Please click on the button above to access.
