“Without a cash injection, the Federal Highway Trust Fund will be insolvent within weeks, and would cut support for state and local highway and transit projects. Congress and the President are wrangling over how to provide supplemental funding.
 
If that sounds familiar, it’s because they did the same thing two months ago. And every few months since 2009. And made similar stopgap moves as far back as 1997.”

http://fortune.com/2015/07/10/highway-funding-running-out/