The intelligent transportation system ( shorted as ITS) is an advanced system which aims to provide innovative services relating to different transportation methods and traffic management and enable users to be better informed and make safer, more coordinated, and ‘smarter’ choice of transport networks.
ITS vary in technologies applied, from basic management systems such as car navigation; traffic signal control systems; container management systems; variable message signs; automatic number plate recognition or speed cameras to monitor applications, such as security CCTV systems, and automatic incident detection or stopped vehicle detection systems; to more advanced applications that integrate live data and feedback from a number of other sources, such as parking guidance and information systems; weather information etc.
Traffic Management Center ( shorted as TMC) is the vital unit of ITS. It is a technical system administered by the transportation authority. Here all data is collected and analyzed for further operations and control management of the traffic in real time or information about local transportation vehicl
Well-organized and proficient operations of Traffic Management Centre depends on automatized data collection with precise location information than analysis of that data to generate accurate information and then transmitting it back to travelers. Let’s understand the entire process in a more detailed way.
Data collection: The data is collected via various hardware devices that lay the base of further ITS functions. These devices are automatic vehicle identifiers, GPS based automatic vehicle locators, sensors, camera etc. The hardware mainly records the data like traffic count, surveillance, travel speed and travel time, location, vehicle weight, delays etc. These hardware devices are connected to industrial switches, then core switches and servers generally located at data center for further analysis.
Data Transmission: Rapid and real-time information communication is the Key to proficiency in ITS implementation so this aspect of ITS consists of the transmission of collected data from the field to TMC via Ethernet system and then sending back that analyzed information from TMC to travelers. Traffic-related announcements are communicated to the travelers through Internet, SMS or on board units of Vehicle.
Data Analysis: The data that has been collected and received at TMC is processed further in various steps. These steps are error rectification, data cleaning, data synthesis, and adaptive logical analysis. Inconsistencies in data are identified with specialized software and rectified. After that data is further altered and pooled for analysis. This mended collective data is analyzed further to predict traffic scenario which is available to deliver appropriate information to users.
Traveler Information: Travel Advisory Systems ( shorted as TAS) is used to inform transportation updates to the traveling user. The system delivers real-time information like travel time, travel speed, delay, accidents on roads, change in route, diversions, work zone conditions etc. This information is delivered by a wide range of electronic devices like variable message signs, highway advisory radio, internet, SMS, automated cell.
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