Greater Dayton Regional Transit Authority
（重定向自GDRTA）
The Greater Dayton Regional Transit Authority, formerly known as the Miami Valley RTA, is a public transit agency that generally serves the greater Dayton, Ohio area. The GDRTA serves communities within Montgomery County and parts of Greene County, Ohio, USA. There are 31 routes. The buses operate seven days a week, 21 hours a day, and provide services to many citizens within the area. RTA's current executive director is Mark Donaghy.