Physical Danger

Physical Danger

 
Sometimes the townsfolk can get a little excitable if they don't like your plan. (Source)

Besides a bit of carpal tunnel, this isn't the riskiest job in the world. You might get hit by a falling brick on a construction site, but that's what hard hats are for.

Many urban planners work in large cities, so there's always the chance that you'll get mugged, or step in a puddle of urine. Ain't humanity grand?