Stacks of hardbound reference materials remain a staple among the resources available through NTL.

NTL is mentioned in an article published in “Public Roads”, May/June 2011, Vol. 74, No. 6: Masters of Information, by Jennifer Boteler.

The NTL staff (yes, I am one of them!) is proud to work for and with the transportation community and its great members, and to provide access to important documents, both as a physical and growing digital collection: http://go.usa.gov/DN1