The Greater Toronto Services Board , composed of regional municipality chairs , city mayors and municipal councillors , was created as a municipal agency in January 1999 .
GO Transit was transferred as an arm of this agency in August 1999 .
The Greater Toronto Services Board , composed of regional municipality chairs , city mayors and municipal councillors , was created as a municipal agency in January 1999 , and GO Transit was transferred as an arm of this agency in August 1999 .