ATCS is an intelligent real time dynamic traffic control solution
that usually includes algorithms that adjusts Traffic Signal programme; Cycle length,
splits, offsets and phase sequence in real time. The ATCS have been tested and
successfully deployed at number of intersections in India. It is an intelligent traffic
control system that use data from vehicle detectors and optimize the traffic signal
timing of a network of intersection by evaluating the real time traffic demand in the
area. The system operates in real time with capacity to calculate optimal cycle time,
and feeds input to the junction traffic controllers. Idea of ATCS is to reduce delays,
shorter queues and decreased travel times.
Major components of Area Traffic Control Solutions
Modes of operation
Vehicle Detection Camera
Vehicle Detector is a
digital camera equipped with in built vehicle presence sensor which detect moving and
stationary vehicle at signalized intersections. It transmits vehicle presence
information to Adaptive Traffic Signal Controller via detection outputs or secure
TCIP/IP communication for responsive signal timings.
ATCS Application Software
ATCS application
software run on Linux system, also supports remote upgrading and maintenance via the
network port. It uses open source database such as PostgreSQL. ATCS application use data
from vehicle detection camera and optimize signal timings of traffic controller in the
network of intersection by evaluating the real time traffic demand in the area. ATCS
Application use three optimization techniques, Split, Area and Offset optimization,
similar to the SCOOT.
Communication Network
Communication Network is
the intermediate part which allow to communicate between central control station and
remote end junction traffic controller. A computer system that is connected to all
traffic signal controller under the ATCS through the communication network. ATCS
application software runs at the central control station computer that generate, monitor
and manage signal plans for the linked intersections. Wired and wireless communication
technology can be used in communication network include fiber-optic, WiFi, GPRS, GSM and
telephone lines.
Central Control Station
Central Control Station
is established to monitor, manage and control all the traffic signal controller
remotely. Computer server is equipped with Traffic Signal Monitoring and Management
Software it is Human Machine Interface graphic software toconfigure, visualize real
traffic patterns and control the traffic signals remotely. It allows traffic engineer to
access the data in different visual formats such as Trends, Charts, Reports and Remote
Animation Screens. CCS facilitate Traffic Engineer and Planner tonavigate, download,
andconfigure remote end junction controller.
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