elevated bikeways are the best. https://t.co/OgmB3WGU7u
— Steve Randy Waldman (@interfluidity) February 6, 2020
That is pretty awesome. For obvious reasons, infrastructure designed for bikes only can be much, much lighter than that designed for cars. That should mean the construction costs are about 1/4 to 1/8 that of a road designed to support up to tractor-trailers.