“Giving people more viable alternatives to driving means more people will choose not to drive, so there will be fewer cars on the road, reducing traffic for drivers.”
Concise, easy to understand, and accurate. I have used it at least a dozen times and it is remarkable how well it works.
Also—
“A bus is about twice as long as a car so it only needs to have four to six passengers on board to be more efficient than two cars.”
The cities in the Southern US were essentially built by the invention of air conditioning, which became widely available for residential homes in the 1950s.
Between 1940 and 1960 the US as a whole few 35% with the Baby Boom.
In that same period, Houston grew over 250%, Albequerque grew over 500%, Vegas grew by 800%, and Phoenix grew by 1200%.
The population of Houston in 1940 was 385,000 and it had virtually no metro population outside the city itself. Its metro is now 7 million people.