Eno Transportation Library

Archiving Transportation History

In 2015, Eno set out to digitize our collection of thousands of historical transportation documents. When complete, the Eno Transportation Library will be an archive of more than 100 years of federal transportation policy history. Eno Members have full access to search and explore our growing archive.

Featured Materials

Recently Added Materials

FY 2018 Highway Obligation Limitation - Step by Step Calculation
This document shows the step-by-step distribution of the fiscal 2018 obligation limitation on the federal-aid highways program - how it starts out at $44.234 billion, and all of the set-asides that result in only $36.4 billion of that being distributed to states for the obligation of formula contract authority.