Advisory Bike Lanes and Shoulders: Current Status and Future Possibilities T By Michael Williams (M) he road configuration commonly known as advisory bike lanes or advisory shoulders (referred to collectively as edge lane roads or ELRs in this article) was introduced to North America in 2010. ELRs provide facilities for bicyclists, pedestrians, and other vulnerable road users on lower volume streets. These facilities are not exclusive nor protected but are useful in many situations. 44 D ecem ber 2019 i t e jo u rn al Shutterstock/Duncan Andison TOOL