GTTA is an abbreviation for the former legal names of the following transportation agencies in the Greater Toronto Area of Ontario, Canada:
- Greater Toronto Transportation Authority - the former legal name of Metrolinx, the Ontario provincial agency responsible for transportation planning in the Greater Toronto Area and Hamilton
- Greater Toronto Transit Authority - the former legal name of GO Transit, now a branch of Metrolinx.
This disambiguation page lists articles associated with the title GTTA.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.