The links below provide additional information on this treatment.
Draft paper examining the parallels between development arcs of TWLTLs and ELRs (waiting for data from ELR survey)
What Two-Way Left-Turn Lanes Can Teach Us about Edge Lane Roads
October 2021 Active Towns podcast on Edge Lane Roads
Safety Research on U.S. Edge Lane Roads Showing 36-44% Reduction in Crash Rate over Two-Lane Roads
Mineta Transportation Institute Project 1925, "Safety Considerations for All Road Users on Edge Lane Roads", March 2021
ASCE Journal of Transportation Engineering article re-analysis of Mineta report, "Safety Performance of Edge Lane Roads", November 2022
February 2022 TRB Webinar on Safety and Novel Applications of Edge Lane Roads (behind paywall)
Small 2022 study (translated from Dutch to English by Google) of two ELRs in Belgium
Original Dutch language version of study available here
January 2024 report on testing of NCUTCD's proposed ELR sign
August 2021 ITE Journal article "Sight Distance for Edge Lane Roads"
December 10, 2020 TRB Paper "Safety Performance of Edge Lane Roads"
May 29, 2020 UC Davis presentation on applications of ELRs "Beyond the Guidance"
March 2020 CalBike article on edge lane roads - good introductory article material and good use of multimedia
December 2019 ITE Journal Article "Advisory Bike Lanes and Shoulders: Current Status and Future Possibilities"
List of North American ELRs - out of date
2019 NCHRP Edge Lane Roads Problem Statement
2019 AASHTO Research Needs Statement
2019 Ottawa Evaluation of Somerset ABL
September 2018 ITE Journal Article "Solving the Challenge of Non-Motorized Infrastructure Using Advisory Bike Lanes"
2018 Queensland Australia Guidance on Advisory Bike Lanes - strongly influenced by Small Town Guide and Alta white paper
Overview - Current Status and Path Forward on ELRs
Review of Oregon State Vehicle Code for ELR-Related Issues
2018 TRB Research Needs Statement on ELRs
Video of an Older Presentation on Advisory Bike lanes: Transportation Research and Education Center (TREC) Seminar
"Lessons Learned: Advisory Bike Lanes in North America" - an early white paper of mine
Appendices to "Lessons Learned" White Paper just above - good info on other facilities and design features
Paper "Advisory Bicycle Lanes - Reality versus Design Guidance"
Paper "Sight Distance for Advisory Bicycle Lanes"
Draft Paper "A Comparison of Advisory Bike Lanes to Bicycle Boulevards, Bicycle Lanes and Yield Roadways using Level of Traffic Stress - An Application of LTS to ABLs"
Danish webpage from Cycling Embassy of Denmark on edge lane road treatment
FHWA Small Town and Rural Multimodal Networks guide which includes the Advisory Shoulder treatment
Fundamentals of Bicycle Boulevard Planning & Design, 2009 - first US guidance to describe advisory bike lanes
Excerpt from 2016 CROW manual describing edge lane roads
Photo courtesy of Scott Robinson at City of Bloomington, IN.
