In the 1990s, the STO and the Communauté Urbaine de l'Outaouais had initiated plans to improve public transit in the Outaouais urban community as traffic problems were growing in several areas particularly in the eastern end of the city in the Quebec Autoroute 50 corridor as well as other bridges spanning the Gatineau and Ottawa Rivers.
In the 1990s, the STO and Communauté Urbaine de l'Outaouais developed plans to improve public transportation in the Outaouais metropolitan region, where traffic problems were growing in several areas, particularly along the Quebec Autoroute 50 corridor and other bridges spanning the Gatineau and Ottawa Rivers.