small and efficient two-wheeled leg-powered vehicle designed to increase stress, reduce life expectancy and annoy motorists.

patient and long-suffering person who can understand “O’Connell Street” in over one hundred foreign accents but is unable to give change in any. Skilled at firmly applying brakes when standing passeng [..]

leftmost lane on many routes designed for the use of buses, and therefore shared by taxis, cyclists and others.

quantum number governing the trajectory of buses. Buses with the same bus route number go around in large groups. 

part of the punishment system for drivers who incorrectly park their vehicles and cause an obstruction, this procedure prevents the vehicle from being driven away, so prolonging the obstruction.

intermittent stretch of the gutter reserved for cyclists, also pedestrians, buses, taxis, and SUVs. Generally abundant on wide and safe stretches of road, disappearing at narrow and dangerous sections [..]

facility for securing cycles, generally at a good safe distance from where cyclists want to park. 

person of iron nerve, lightning reactions and a foolhardy attitude to risktaking, dedicated to getting from A to B on a bicycle as fast as possible, generally with scant regard to traffic regulations. [..]

altercation between road users in South Dublin. 

large double-decker blue and yellow public passenger vehicle running to stochastic timetable. The largest known type of boson (see bus route number).