Remote control

摘要

As prices drop, real-time tracking and dispatching systems are no longer an option reserved for police, fire, and emergency services. Although it's a major city, St. Louis optimizes the routes and monitors the health of its street sweepers, refuse vehicles, and snow trucks the old-fashioned way: with paper maps, trial-and-error test drives, and drivers who tell the shop between preventive maintenance checks when there's a problem with a vehicle.