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Artykuły :: Telematics :: ATST

Dynamic Traffic Management Systems on A4 Motorways
J. BOHATKIEWICZ, K. JAMROZIK, S. BIERNACKI
2011-06-27 14:48:49

J. BOHATKIEWICZ,  K. JAMROZIK,  S. BIERNACKI
EKKOM Sp. z o.o. Wadowicka 8 i, 30-415 KrakĂłw, Poland

Title:
Dynamic Traffic Management Systems on A4 Motorways

Keywords:
   traffic management system, variable message signs, traffic control, speed management, road safety

Abstract:
The A4 Motorway is the key transport connection in southern Poland and carries domestic and international traffic in the east-west direction. In 2008 a traffic management system based on variable message signs (VMS) was designed for the General Directorate of National Roads and Motorways. The system covers a section of 165 km of the A4 Motorway between the interchanges Bielany (Lower Silesia) and Sośnica (Silesia).
The main purpose of the system is to ensure seamless traffic flows and road safety. Thanks to the application of VMS and a dynamic transfer of data and information the functions of the system include traffic control, speed management, alternative route guidance, traffic information and weather warnings. The design stage of the system included the mapping of data sources, grouping of potential traffic incidents, development of message signs, setting out of actuation procedures and sequences of message display as well as outlining of communications procedures and decision making process by the administrator of the system. A lot of attention was given to factors providing for reliability of the system and credibility of messages.

Bibliography:
ITS Handbook 2000. Recommendations from the World Road Association (PIERC). Artech House, Boston 1999.
SUSSMAN J.: Introduction to Transportation Systems. Artech House, Boston 2000.
IST – FRAME: Planning an Intelligent Transport System. A Guide to transport System Architecture. April 2004.
ROTTER T., The influence of information-transmitting systems on drivers’ behaviour, 4th International Scientific and Technological Conference LOGITRANS 2007, Szczyrk April 25-27, 2007.
Changeable Message Sign Operation and Messaging Handbook, Operations Office of Travel Management, Federal Highway Administration, Publication No. FHWA-OP-03-070, August 2004.
Specification of material terms for task 001-4b “Elements of traffic safety in A4 motorway from Wrocław (Bielany) to Sośnica”, including the construction of traffic measurement station, meteorological stations and changeable message signs.
Operational guidelines for the use of changeable message sings, State of North Carolina, Department of Transportation, 1999.

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