They are usually interchangeable or specific names of places. Durham Road is the name of a road Oxford Street is the name of a street In general conversation the road, is where cars travel, although you'd associate the street with a place for pedestrians. For example The car drives on the road. I walk down the street.

Street customary to is the center of the neighborhood While the road linking the cities or neighborhoods distant from each

road is something you travel down and street is where you walk

I think I could not help!:(

Thanks!