The beltway.zip file you have requested: Maps Levels Missions / 4 Players / The Beltway - 796.01kb is not available. Perhaps try browsing all files for the game Supreme Commander and upload any files you want to share or are missing. This is the only information we could locate:
The BeltwayFrequent meteor strikes in the area have deposited mass that needs collected. Venture between the craters to claim crucial mass points. Careful, though, you're not alone.10x10, 4 PlayersMultiplayer map designed for free for all or The Beltway is a map designed by PainAngel, A geological find of the century really, a map in which frequent meteor strikes have deposited mass, its a 4 player, 10 km by 10 km map.