This time period is different for each system, so that the collision does not occur again.

Was it possible that after all collision would not occur?

Another major collision of a ship occurred on June 13, 1943.

The thought was parent to Tom's act before the collision occurred.

But there were still a few minutes remaining before the collision would occur.

A collision occurs when two objects come in contact with each other.

If the collision occurs on ice, there is essentially no difference.

American military and intelligence officials have been dubious that a collision occurred.

The collision had occurred at perhaps five miles an hour, while the forces held the riders secure.

Only two very serious collisions between vehicles have occurred since operation began in 1885.