Updated April 2026
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What Affects Rates in Troy
- Oakland County Traffic Enforcement Volume: Troy sits in Oakland County, which issues over 180,000 traffic citations annually, contributing to dense violation data that insurers use to price point-impacted drivers. Heavy enforcement on I-75 and Big Beaver Road corridors means insurers see consistent violation patterns in Troy ZIP codes.
- High Uninsured Motorist Rate in Metro Detroit: Metro Detroit consistently ranks among the highest uninsured motorist concentrations nationally, pushing uninsured/underinsured motorist coverage costs up by 20–35% for all drivers including those with points. Carriers price this exposure into base rates, compounding violation surcharges.
- No-Fault PIP Requirements: Michigan's no-fault system requires Personal Injury Protection regardless of points on your record, but carriers apply point-based surcharges to the entire premium including PIP, which can represent 40–60% of total cost. A 3-point speeding ticket increases not just liability rates but the costliest component of your policy.
- Winter Weather Accident Density: Troy experiences lake-effect snow and freezing rain from November through March, elevating at-fault accident frequency during winter months. Drivers with existing points who add a winter at-fault accident face compounded surcharges, often 60–90% above their already elevated post-violation rate.
- Suburban Commuter Corridors: I-75, M-59, and I-696 converge near Troy, creating high-speed commuter routes where speeding violations carry 3–4 points. Insurers weight freeway speeding violations more heavily than surface street citations due to severity correlation, adding $90–$150/mo in many cases.