It looks like the DUI Court program of Maricopa County is effective. So says a study conducted last year by the National Highway Transport Safety Administration. The study helped the NHTSA refine its Ten Guiding Principles for DUI Courts.
The study aimed to evaluate the concept of using specialized DUI courts. Maricopa County’s DUI court was chosen as the test case because it provided an early record of the basic and essential elements used in current DUI courts.

