USDOT allocates USD12.2 million TIGER grant for Detroit’s light-rail September 16, 2014 | North America Finance The US Department of Transportation (USDOT) has allocated USD12.2 million for the 5.3-km M-1 light-rail corridor in Detroit under the Transportation Investment Generating Economic Recovery (TIGER) com... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password