Objectives

There are 13 Objectives in the Traffic Puzzle:
 * 1) Free the Ambulances
 * 2) Help the Train
 * 3) Get Rid of the Snow
 * 4) Clear the Helipads
 * 5) Plant Grass
 * 6) Repair Wrecks
 * 7) Remove Tires/Clean Trash/Inflate Balloons/Roadblocks
 * 8) Help the Tram
 * 9) Free the Fire Trucks
 * 10) Help the Plane
 * 11) Free the Ice Cream Truck
 * 12) Help the Rally Car
 * 13) Help the Race Car