Question

He travels to school every morning _____ car.

with
by
from
the

Answer 1

He travels to school every morning by car.

This apreposition which has a versatile use, meaning it could be used in a number of situations.

The question given here was an example of the use of by in travel.

This preposition is all used in passives, with adjectives, for an amount, or “no later than”, as alone.