Add function for looking up freeway segments with a freeway ramp, direction, and freeway name provided (for JSON car population)
Merge branch 'master' of https://github.com/jamestlynch/CSCI201_Team_FinalProject
Merge branch 'master' of https://github.com/jamestlynch/CSCI201_Team_FinalProject
Close merge (Only change is extra bracket on GeoMapModel implementation)