What is the legal definition of a “road”

1. Any place that is open for public passage, except for city streets
2. Asphalt or concrete paved road ways only.
3. The term “road” has no legal definition
4. Correct answer: Any rail, street, alley, square, passage, bridge and any other open space in which the public has a right to pass through

WhyLegally, a 'road' is any place where the public may pass: a street, alley, square, bridge or open space. So it is not just asphalt and it includes city streets.