Welcome to the Tri-State Transit Authority TTA is the Tri-State Transit Authority, which provides bus service in the Huntington, West Virginia and Ironton,Ohio urban area. Ashland, Kentucky, which is served by the Ashland Bus System (ABS), has limited TTA service to and from Ironton, Ohio. Our Services Your convenient source for schedules, news and fare information. ROUTES & SCHEDULES View and Download our current Routes and Schedules online. FARES Bus and Dial-A-Ride fare information for our customers. DIAL-A-RIDE Paratransit services to individuals with disabilities who are unable to use the fixed route system. NEWS Read the latest Tri-State Transit Authority news. LIVE BUS TRACKER Track your bus on your route in real-time! ROUTE SHOUT MOBILE APP Looking for your bus on your phone? We have a FREE app for that!