Arizona proposes GPS speed limiters for repeat speeders

Arizona is preparing a bill that would let repeat speeders keep their driver’s licenses by installing a speed limiter in their cars. The device would effectively serve as an electronic ankle monitor for a vehicle, blocking any attempt to exceed the posted limit.

The initiative’s sponsor, Representative Quang Nguyen, proposes giving drivers a choice: either temporarily surrender driving privileges or equip their car with the speed-control system. The technology uses GPS and cellular signals to determine the current limit and cut engine power, even if the accelerator is fully pressed. The approach reads as a pragmatic compromise, swapping blanket suspensions for targeted restraint.

Installation is estimated at about $250, with a daily subscription of $4. To avoid contentious situations, the device includes an emergency passing mode: up to three times a month, the cap can be temporarily raised by 10 mph. It’s a nod to real-world driving, where some flexibility can prevent tense encounters on the road.

The proposal would apply not only to habitual speeders but also to those convicted of street racing or aggressive driving. Similar measures are already in place in Virginia and Washington, lending the concept a precedent without guaranteeing a seamless rollout.

Critics warn the technology is still imperfect and may misread posted limits, creating safety risks. Attorneys also see threats to privacy and the possibility of excessive state control. These concerns are not trivial: if the system applies the wrong cap at the wrong moment, it could box a driver in and undermine the safety case behind the bill.