Project Synopsis


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Project Synopsis

  1. 1. Project Synopsis Road signalling system for traffic movement management SANJEET KUMAR L&T BIS XI Batch Indian Institute of Technology, Madras
  2. 2. Problem Area: The Indian Scenario <ul><li>Most of the traffic signal controllers installed across the Country are first generation, fixed time controllers </li></ul><ul><li>Only two cities (New Delhi and Pune) has the Area Traffic Control System (ATCS) </li></ul><ul><ul><li>New Delhi - 63 Junction (imported from UK) </li></ul></ul><ul><ul><li>Pune - 38 Junctions (developed by C-DAC) </li></ul></ul><ul><li>Even this is a very small percentage </li></ul>10/23/09 SANJEET KUMAR Page
  3. 3. Disadvantages of Fixed time traffic signal controllers <ul><li>The timing plans are based on historical data, which may not be an accurate reflection of typical conditions </li></ul><ul><li>The timing plans rapidly age and the benefits achieved decrease </li></ul><ul><li>The system cannot respond to unpredictable events </li></ul>10/23/09 SANJEET KUMAR Page
  4. 4. Result of fixed time controller <ul><li>Wasted Green time </li></ul><ul><li>Unresolved Queues </li></ul><ul><li>Minor Accidents at the intersection </li></ul>10/23/09 SANJEET KUMAR Page
  5. 5. Types of Signal Control logic 10/23/09 SANJEET KUMAR Page
  6. 6. Challenges in implementing an Actuated traffic control on Indian roads <ul><li>Traffic is not lane following </li></ul><ul><li>A vehicle entering the approach (upstream) on a particular lane need not maintain the same at the intersection </li></ul><ul><li>High mix of traffic </li></ul><ul><li>Uncontrolled side roads and on-street parking </li></ul><ul><li>Obtaining a correct measure of traffic count is highly complex </li></ul><ul><li>Data loss due to power failure </li></ul><ul><li>Network failure </li></ul><ul><li>Availability of funds </li></ul>10/23/09 SANJEET KUMAR Page
  7. 7. Homogeneous, lane following traffic Typical flow on Indian Road 10/23/09 Page SANJEET KUMAR
  8. 8. Typical Indian Road Condition 10/23/09 SANJEET KUMAR Page <ul><li>There is not, physically, as much road space and roads are not always planned and designed for efficient traffic use </li></ul><ul><li>The roads are called upon to perform a wide variety of functions which includes non-traffic use </li></ul><ul><ul><li>for example, the co-existence of market stalls and through traffic on the same road space </li></ul></ul><ul><li>Segregated footpaths are often poorly provided or used for other purposes, forcing pedestrians to use the roadway </li></ul><ul><li>Vehicle growth rates are very high </li></ul><ul><li>Vehicle mix can cover a wide range of types and characteristics, from bicycles and bullock-carts to articulated trucks </li></ul>
  9. 9. On Street Parking A typical parking pattern seen on Indian Roads 10/23/09 Page SANJEET KUMAR
  10. 10. Addressing the Challenges : Systems Available <ul><li>Area Traffic Control System (implemented in INDIA) </li></ul><ul><ul><li>A Composite Signal Control Strategy for Indian Roads, Indian Highways, August 2006 issue of The Indian Roads Congress, New Delhi </li></ul></ul><ul><li>Urban Traffic control System </li></ul><ul><ul><li>Optimizing Networks of Traffic Signals in Real Time-The SCOOT Method, IEEE Transactions on Vehicular Technology, Feb 1991 </li></ul></ul><ul><li>Area-wide Real time traffic control System </li></ul><ul><ul><li>The Area-wide Real-Time Traffic Control (ARTC) System: A New Traffic Control Concept, IEEE Transactions on Vehicular Technology, May 1993 </li></ul></ul><ul><li>Intelligent traffic Control System </li></ul>10/23/09 Page SANJEET KUMAR
  11. 11. Thank You SANJEET KUMAR