create a html5 game

Creating a game in HTML5 / JAVASCRIPT using libraries of your choice, but within the loading time of the game. The game will be optimized with a loading images / css / js ... so ADAPTED to mobile devices. The aim of this game is to drive a fire truck through a map to get from point A (Barracks) to point B (fire). Interactions will be on this map, ie other vehicles (cars and trucks) and pedestrians. Such interactions should have an AI of such kind that coincided these objects with the real movements. Collisions will be in buildings, trees, vehicles, slower will be done on the sidewalks, lawns, and pedestrians. The game is 40% ready , SO I need the expert and need it in 7-days . I will provide all PSD , My budget is 400$ .