Yes, in addition to Kilbowie Bridge until recently you couldn't get a decker around the Vale Hospital due to a low walkway.Will this be the first time deckers have been used on full journeys (not peak time shorts) on the former 204/215/216 Corridor?
When Dumbarton had some local school contracts a double often appeared on the single 1B in the morning which only does Helensburgh to Dumbarton.