Integrated Traffic System Market by Sensors Type (Infrared Sensors, Weigh-In Motion Sensors, and Acoustic Sensors); By Function (Traffic Monitoring, Traffic Control, and Information Provision); By Hardware (Display Boards, Radars, Sensors, Surveillance Cameras, Smart Traffic Lights, Interface Boards, and Others); By Geography (North America, Asia-Pacific, Europe, South America, and RoW), Industry Trends, Estimation & Forecast, 2018 – 2026