What were the correct dimensions of the twin towers?

From memory, so not perfect but close—1363 feet tall (without the antenna), 209 feet square outside. The core area was 87 feet by 133 feet. There were 15 miles of elevator hoistways, and most of the core columns could be reached from them. read more

The blueprints to the Twin Towers and Building 7 remained off-limits to the public for more than five years after the attack, despite the fact that the buildings were built with public money and that the engineering drawings of public buildings are supposed to be public information. read more