How to get gameobject name from collider ?

Unity Engine
1

Hi,
I want to create an emergency car pass through the road and I want all the car to move, is there a way to get the name of the game object that hit the collider of the emergency car, so when it hit the collider and the script get the game object name and it will increase the speed of the game object that get hit with the collider of the emergency car.

I’m using Unity 2018.14.13f1

2

Or

Separate pages for 2D.