clipped from: www.lightlanebike.com   
LightLane

Bike lanes are an effective means of improving safety for motorists and cyclists.  However, due to the high cost of installation, bike lanes are not widely available.  Instead of forcing cyclists to adapt their behavior to the existing infrastructure, the bike lane should adapt to the cyclist.
clipped from: www.lightlanebike.com   
A proof-of-concept prototype was built to determine the technical feasibility of the idea.  Preliminary contextual research shows its performance in real world situations is best when lighting conditions are at their worst, improving safety in the most critical situations.