^ Wouldn't the best and cheapest by far be forcing every single person to walk into downtown? It would take up the smallest space in that image, make the least CO2, force everybody to a better BMI. It's like a Win! Win! Win!
Something like this:
I drove down that way again this morning. Lights are still pretty poorly timed. Saw 3 people using the lane for the time I was beside it and 3 others not bothering but still going down 12th on the roadway with the cars. One of those guys was one that cut across the 2 cars and forced them to slam their brakes so they could try to turn left to go north.