Traffic engineering, Newton style

Margalit reports that morning traffic around Newton South High School, normally bad anyway due to the city's decision to put it within a warren of tiny side streets, was a complete disaster this morning:

... [W]hen it was pouring rain and windy and the streets were covered with leaves and the sidewalks were 6 inches deep in slippery piles of leaves left by the various landscape companies, you decided to close EVERY FREAKING STREET that heads to the high school except Hagen, causing a massive traffic jam. Did you think this was a good idea? Really? REALLY?

A traffic jam that totally tied up Parker St on both sides so that getting to the high school on time was nigh on impossible. You thought this was a good time to scrape and repave the roads leading into the high school? REALLY?

With some of the tiny roads marked "road closed" but with no suggestion as to how to get to the GD high school? This was a good idea? Really? ...