Category
page 1Transport reliability
traffic congestion
condition on road networks that occurs as use increases, and is characterized by slower speeds, longer trip times, and increased vehicular queueing
On-time performance
the level of success of the service (such as a bus or train) remaining on the published schedule
traffic obstruction
tactic used during protests and demonstrations

flight cancellation and delay
not operating a scheduled flight
bus bunching
scheduling error in public transport