Matthew Thomas, supervisor of the traffic enforcement unit at the sheriff's office of Pinal County, which contains the highest-speed stretch of Route 79.

FORBES

One more handy feature: the unit is expected to take advantage of the TomTom plus traffic service via your phone's GPRS connection, providing real time traffic information as well as weather, news, and additional features.

ENGADGET: TomTom go 700 SatNav unit boasts Bluetooth, hard drive

The device itself is a fairly standard affair, boasting a 4.3-inch WQVGA display, a 400MHz CPU, 64MB of RAM, an SD card slot, an FM transmitter, Bluetooth, and maps of the US and Canada pre-loaded on the unit's 2GB of internal flash memory -- an RDS-TMC traffic information receiver is also available as an optional accessory.

ENGADGET: TomTom intros GO 720 with Map Share technology

It recently sold its Metro Traffic operations to Clear Channel Communications (CCMO), a unit of CC Media Holdings.

FORBES: Westwood One: Network Radio Content Provider Sees Broader Impact As It Joins Forces With Triton Media Group