The links below provide additional information on this treatment.
Overview - Current Status and Path Forward on ABLs
Review of Oregon State Vehicle Code for ABL-Related Issues
List of Existing ABL Installations
2018 TRB Research Needs Statement on ABLs
Video of a Presentation on Advisory Bike lanes: Transportation Research and Education Center (TREC) Seminar
Link to Lessons Learned: Advisory Bike Lanes in North America - a white paper co-authored by me
Appendices to the White Paper just above - lots of good info here on Request to Experiment with FHWA, other facilities and design features
Paper "Advisory Bicycle Lanes - Reality versus Design Guidance"
Paper "Sight Distance for Advisory Bicycle Lanes"
Link to the FHWA Small Town and Rural Multimodal Networks guide which includes the Advisory Shoulder treatment
Link to a description of ABLs on the Association of Pedestrian and Bicycle Professionals (APBP) website
Link to Excerpt from 2016 CROW manual describing advisory bicycle lanes
Photo courtesy of Scott Robinson at City of Bloomington, IN.