It is estimated that almost % of collisions involving a vehicle and a train were at crossings where warning devices such as lights, gates and bells were in working order.

50%

Step-by-step explanation:

It is estimated that almost 50% of collisions involving a vehicle and a train were at crossings where warning devices such as lights, gates and bells were in working order. This high percentage may be as a result of malfunction of warning devices, because when warning devices malfunction they give wrong signals that could lead to accidents. It could also be as a result of violation or ignorance of traffic rules and warning signals which can also lead to collision.

21

jk it's 20

step-by-step explanation: