$500 million available for TIGER Grants Posted on April 9, 2015 by Robin Budish The U.S. Department of Transportation (USDOT) is making $500 million available for the (TIGER) competitive grant program: www.rtands.com/index.php/track-maintenance/off-track-maintenance/usdot-makes-500-million-for-next-round-of-tiger.html?channel=Array