You could say drive across the overpass.
I think you normally drive under an overpass, or over an underpass.
What is a better way to say the following? I think this sounds redundant.
"You must drive over the overpass to get to...point B"
You could say drive across the overpass.
I think you normally drive under an overpass, or over an underpass.
Sure.
I'd say "You have to take the flyover".
If you're worried about redundancies, I agree with bhai: use "take the overpass"