She looked up just in time to avoid a collision.
The two appeared to see each other at the last moment, then move in the same direction as they tried to avoid a collision.
Beyond a certain point, it became impossible to avoid a collision.
Usually only two boats would race at once to avoid collision.
What direction do you choose to go to avoid collision?
Trying to avoid a collision, she slipped and nearly fell.
She maintained course and speed, doing nothing to avoid a collision.
They had to keep their eyes open to avoid collisions on two occasions.
But that doesn't mean there's no way to avoid a catastrophic collision.
Its driver claims he had to avoid a collision with an animal.