In particular , they are found exclusively on routes on the Highway 407 and Highway 403 corridors , providing service between Peel and York Regions .
Thus , they are restricted to routes which avoid low bridges and underpasses .
They are found exclusively on routes on the Highway 407 and Highway 403 corridors , providing service between Peel and York Regions .
Thus , they are restricted to routes which avoid low bridges and underpasses .