GSB 7.0 Standardlösung

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Interactions between basic sections and junctions in overload situations

Overloads, for instance at individual junctions or on uphill stretches, can lead to congestion in adjacent sections and junctions in the dense motorway network. The backlog caused by overloading of one element into other elements has not yet been taken into account in regulations. On behalf of the Federal Highway Research Institute (BASt), a procedure adapted to German conditions was therefore developed following the example of the FREEVAL instrument used in the USA for several years. This approach – pursued with German FREEVAL –offers great potential for further areas of application, especially in traffic planning. It closes a gap between the design methods of the HBS, which in individual cases reach their limits, and the microsimulation methods, which have to be calibrated with considerably greater effort. The program is to be made available to the road construction authorities as open source software.

Additional Information

Research compact 07/2019

Report

Comprehensive level of service assessment of motorway sections and junctions
Reports of the Federal Highway Research Institute, book V 314, 2019

  • Contact

    Federal Highway Research Institute
    Brüderstraße 53
    D-51427 Bergisch Gladbach
    Info-Service
    Telephone: 0049 2204 43-9101
    Fax: 0049 2204 43-2550
    info@bast.de

  • Reports

    BASt's reports are almost entirely in German. Each report includes an english abstract. You can find the complete report by following the link to ELBA on the report's page.