In the US, state DOTs are preparing for the upcoming reauthorisation battle in a tough economic and political climate. Set to expire by the end of the year, the bill is a critical funding source for many transportation projects in the US. However transportation officials in the US are facing a tough battle as the political and economic climate has changed considerably since the last reauthorisation was passed, shortly after President Obama's inauguration in January 2009. Since then, the recession has contin