Photo speed monitoring devices; systems for traffic signals, proof of violation, effective date.
Photo speed monitoring devices; location.
Photo speed monitoring devices; proof of violation affirmed by retired law-enforcement officials.
Photo speed monitoring devices; school crossing zones.
Photo speed monitoring devices; placement and operation by certain localities.
Photo speed monitoring devices; private vendors compensated for calibration, civil penalty.
Photo speed monitoring devices; private vendors compensated for calibration, civil penalty.
Law-enforcement officers, state and local; enforcement of federal traffic violations in Northern Va.