From Planetizen — Todd Litman: Time Traffic Engineers moved beyond Roadway Level of Service (LOS) rating system

Evaluating transportation system performance based only on roadway LOS biases planning to favor automobile-oriented improvements, such as wider roads with higher design speeds, to the detriment of other modes, creating a self-fulfilling prophecy of increased automobile dependency and reduced travel options. There is good evidence that communities which improve walking, cycling and public transit experience shifts to those modes, indicating latent demand. Read more: Reform Transport Engineering: Expand Beyond Just Roadway Level of Service (LOS) Ratings | Planetizen: The Urban Planning, Design, and Development Network