SELECTION OF CROSSING FACILITIES BASED ON CRITICAL GAP (CASE STUDY DHARMAWANGSA STREET, SURABAYA)

Edwin Hidayat

Abstract


Pedestrians have a high risk to be hit by motor vehicle when they crossed the street, thus the choose of
appropriate cross facilities are very important. An alternative for choosing cross facilities are by using the Critical
Gap method. This method is used to measure the possibility of crossing the street safely. This study was started
by gathering primary data for 4 hours at the traffic peak hours. From the calculation, the case of Dharmawangsa
Street, Surabaya, showed that the critical gap is about 3,55 seconds. The observation from 07.00-11.00 a.m.
showed that the possibilities of crossing the road respectively are: 45, 55, 56, and 60. Compared to the number
pedestrians crossing the road, the research showed about 71, 24, 33, and 49 peoples. In this case, the possibility of
crossing the street at 07.00-08.00 a.m. cannot be fulfilled. Meanwhile, the possibility to cross the street with safely
at 08.00-11.00 a.m. can be fulfilled. Therefore, the use of midblock crosses is still relevant.

Keywords


Pedestrian, Crosswalk, Critical gap, Cross facility

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DOI: http://dx.doi.org/10.14203/widyariset.15.3.2012.587–592

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