Bay Street is a lower city arterial road in Hamilton, Ontario, Canada. It starts at Inglewood Drive, just South of Aberdeen Avenue, as a collector road with only two lanes, then eventually becomes a six lane thoroughfare at its peak. Bay Street also passes through downtown Hamilton, where many high-rise buildings are found. Bay Street is a one-way street from Aberdeen Avenue to Cannon Street West. Bay Street continues as an arterial route to Strachan Street, where it is downgraded to a neighbourhood collector and eventually ends at a curb at Pier 4 Park at Burlington Street in the city's North End.

Aberdeen Avenue is a Lower City minor arterial road in Hamilton, Ontario, Canada. It starts off just west of Longwood Road South and east of Highway 403 as a two-way thoroughfare up to Queen Street South, where it then switches over to a one-way collector road (eastbound) to Bay Street South and then to another two-way section from Bay Street to James Mountain Road, a mountain-access road in the city near the base of the Niagara Escarpment (mountain).