evidence: We all know about bus lanes, and to avoid them. Bus gates are a new animal for me. Basically, a city/town can designate a short section of a road (otherwise drivable) as a bus gate, making that street UNDRIVABLE at most or all hours of the day. The only thing that designates this is a moderately-sized blue sign showing a bus, a taxi, and a bicycle—which are the three vehicle types that are allowed to still drive on these streets.