Chalktrail: Create a trail of chalk behind any size bicycle.
Chalk Bike Trail
DIY Cyclist Trails: Bike 'Contrails' Mark Your Trail With Chalk To Bond Cyclists in Certain Areas
Chalktrail: Bike add-on combines cycling and sidewalk chalk art
The city says it will take at least 7 years to construct a bike lane so we drew one in chalk connecting a big trail with some neighborhoods to show how easy
The New 575km Bikepacking Route Along Britain's Oldest Highway