Question

what can be an effect of vandalizing a road sign?
the injury or death of innocent road users
bragging rights for being the coolest
a quicker way to get to our destination

Explanation:

Vandalizing a road sign can lead to confusion for road users, which may result in accidents causing injury or death. The other options ("bragging rights for being the coolest" and "a quicker way to get to our destination") are illogical as vandalism doesn't provide positive or beneficial outcomes like these.

Answer:

the injury or death of innocent road users