At least three collisions this year have involved a larger plane that was under guidance from controllers.
An average of 25 near collisions a month involving were reported nationwide for the first six months of 1986, according to Government figures.
His race ended early in a collision involving several cars on the opening lap of the race.
The damage to the vehicle was incurred in a collision involving a cyclist.
But safety officials have long recognized that most serious side-impact collisions involve moving vehicles.
The accident was then compounded by a second collision involving an oncoming goods train.
Two other collisions involved the French and Japanese boats.
Fatal collisions involving bicyclists and pedestrians are rare in the city.
A senior commander said he believed that a high-speed collision involving his motorcade soon after Sept. 11 might have been an assassination attempt.
Witnesses said the collision involved a black Nissan Maxima.