good stuff looks like you had fun and thats whats most important.
the crit:
Only things that would make it 100% would be:
-having the camera audio turned down, cuz you here the wind especially i the begining.
-also tripod would help, even a cheap one would still help because its just video, alot of hand wobble gets distracting.
- quick shots from different angles, (most shots are at standing height). Try real low or not having the cars in the center... just to keep the eye flowing. Even the longest clip should only be about 7 seconds, before a change.
At school a lot of my design buddies show videos they make for class, and its just some tips i have picked up