Why do you think that highways, roads, etc. aren't riddled with the same corruption, greater environmental destruction, landscape changes, etc. ? Admittedly we

Why do you think that highways, roads, etc. aren't riddled with the same corruption, greater environmental destruction, landscape changes, etc. ? Admittedly we can build highways quicker, but I wonder why? Certainly it has nothing to do with corrupt state transportation agencies whose jobs depend on big highway construction jobs, auto lobbies, or highway and road construction companies that rely on big government contracts for their livelihoods... right?