And the light rail system is currently not slated to go out to the airport. It's set for other corridors, but the Westside will see "busways" and additional bus service (and for those wondering, you'll see trolley and streetcar service in the Center City - and then other services - light rail and buses all converging in Downtown). The 1/2 sales tax for transit has been around for a little while, but only in the last few years has all the funding come together for transit expansion.