by 
Pumpkin
ANSWERS: 4
-
They are the seams where the sections of the bridges come together. They settle with time and create bumps.
-
it is for when the weather gets how the concreat expands so the road does not explode
-
They're called Expansion Joints.
-
Isn't it so the driver won't fall a sleep???
RELATED QUESTIONS
Copyright 2023, Wired Ivy, LLC