Make Wilkinson:

 Motorists in Detroit pay the highest auto insurance premiums, according to filings with the state insurance department. In the map below are the Census tract-level “factor” differences in personal injury protection — typically he most expensive component of a drivers’ insurance premium — for AAA of Michigan for 2015. They show either the discount or the additional amount motorists are charged depending on where they live. Zoom in on Metro Detroit to see how high rates are affected.