Modification of Saturation Flow Formula by Width of Road Approach

Saturation flow formula, S=600We is common used in Indonesia for any width of road approach at signalized intersections. In supporting the truth of the formula, it was held to the observation at several signalized intersections in Bandung city. The signalized intersections have the width of road approaches that varies from 3 up to 12 meters. The observations had been done in morning, noon, and afternoon peak times to get the values of observed saturation flows for each road approach. The field results are compared with the values of formula calculations. When the rank width of road approaches is small (3, 4, 5.9 m) up to medium (6, 7, 8.9 m) the values of saturation flows are closer to each other. When the rank width of road approaches become large (9, 10, 11, 12 m) there are significant differences between observed and calculated values of saturation flows. By using a computerized program the closed formula with observed values is S=500We+400 for large width of road approach.

• Record URL:
  • http://ac.els-cdn.com/S1877042811010287/1-s2.0-S1877042811010287-main.pdf?_tid=5428366b57dcde52170395cbb7a9d8bb&acdnat=1334771117_588c27e7de073c84f4ebb9d293df06a7
• Summary URL:
  • http://www.sciencedirect.com/science/article/pii/S1877042811010287
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/18770428
• Supplemental Notes:
  • Abstract reprinted with permission from Elsevier.
• Authors:
  • Susilo, Budi Hartanto
  • Solihin, Yanto
• Conference:
  • 6th International Symposium on Highway Capacity and Quality of Service
  • Location: Stockholm , Sweden
  • Date: 2011-6-28 to 2011-7-3
• Publication Date: 2011

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; References; Tables;
• Pagination: pp 620-629
• Monograph Title: 6th International Symposium on Highway Capacity and Quality of Service
• Serial:
  • Procedia - Social and Behavioral Sciences
  • Volume: 16
  • Publisher: Elsevier
  • ISSN: 1877-0428
  • Serial URL: http://www.sciencedirect.com/science/journal/18770428/53
• Publication flags:

  Open Access (libre)

Subject/Index Terms

• TRT Terms: Approach lanes; Formulas; Saturation flow; Signalized intersections; Width
• Geographic Terms: Bandung (Indonesia)
• Subject Areas: Highways; Operations and Traffic Management; I71: Traffic Theory; I73: Traffic Control;

Filing Info

• Accession Number: 01368077
• Record Type: Publication
• Files: TRIS
• Created Date: Apr 19 2012 11:24AM