Head-on collision
(重定向自Cornfield meet)

![Standard wrong-way sign package used on all freeway off-ramps in California to prevent head-on collisions.[1]](/Images/godic/202501/06/Californiaofframpwrongwaysignage1621.jpg")


A head-on collision is a traffic collision where the front ends of two vehicles such as cars, trains, ships or planes hit each other in opposite directions, as opposed to a side collision or rear-end collision.