Page 230 - Proceeding of Atrans Young Researcher's Forum 2019_Neat
P. 230

“Transportation for A Better Life:
                                                                              Smart Mobility for Now and Then”

                                                                                    23 August 2019, Bangkok, Thailand

             aggressive  fellow  participants  on  segments  where
             the road widths are narrow.







                                                              Fig. 11 Hustle rate with varying stop-traverse ratios

                                                                     When  examined  against  its  corresponding
               Fig. 10 Hustle rate with the varying road widths   road width, the behavior of stop-traverse ratios was
                                                              observed  as  seen  in  Fig.  12.  It  shows  an  inverse
                    Aside from the hustle rate, time ratios of the   exponential  relationship  between  road  width  and
             Andas along the identified road segments were also   stop-traverse ratio; as road width widens, the time
             recorded  to  describe  the  movement  of  the   ratio on the other hand decreases.
             procession.  Stop-time  to  traverse-time  ratios
             correspond to the percentage of time at which the
             Andas  was  at  rest  as  it  traverses  a  road  segment.
             Lower time ratio suggests that the Andas is in motion
             the majority of the time it traverses a road section.
             Such ratios are tabulated in Table 2.

              Table 2 Ratios between Stop-time and Traverse-
                      time per observed road segment
                                                              Fig. 12 Stop-traverse ratio with varying road widths
                               Stop Time Traverse Time  Stop/Traverse
                     Segment  Camera
                                (sec)  (sec)  (stop-traverse ratio)
                      1   01A/01B  415  600   0.692
                      2    02   375   600     0.625                  This  suggests  that  the  movement  of  the
                      3   03A/03B  296  600   0.494
                      4    04   449   600     0.748           procession is less stagnant on areas along the route
                      5   05A/05B  396  600   0.661
                      6    06   372   600     0.620           where road widths are wide. The more continuous
                      7    07   269   600     0.448
                      8    08   507   600     0.845           movement attributed to the lower stop-traverse ratio
                      9    09   494   600     0.824
                      10   10   452   600     0.753           on  wider  roads  can  be  explained  by  the  wider
                      11   11   506   600     0.843
                      12   12   570   600     0.950           traverse width for the Andas. Recall that a significant
                      13  13A/13B  555  600   0.925
                      14   14   582   600     0.969           number  of  ordinary  pedestrian  devotees  defined
                      15   15   425   600     0.708
                      16  16A/16B  399  600   0.665           earlier stay along the sides of the road awaiting the
                      17   17   487   600     0.812
                      18  18A/18B/18C  476  600  0.793        Andas to go near them or them to go near it. These
                      19  19A/19B  453  600   0.755
                      20   20   180   600     0.300           pedestrians occupy space on the road they stand on,
                                                              consequently  reducing  the  traverse  width  for  the
                    As shown in Table 2,  the  maximum  stop-  moving  procession  and  causing  an  effect  that  is
             traverse ratio was recorded to be 0.969, indicating   analogous  to  friction.  For  smaller  road-width
             that 96.9% of the time the Andas was not moving   segments, friction from stagnant people is closer to
             along segment 14. Upon correlating these ratios to   the  Andas,  making  disruption  of  movement  more
             their  corresponding  hustle  rate,  the  relationship   likely. On the other hand, disruption of the Andas
             between them became evident. As seen in Fig. 11,   movement  due  to  similar  friction  on  wider  road
             hustle rate increases as stop-traverse ratio increases.    widths would be less likely compared to its shorter
                    The  duration  that  the  Andas  is  stagnant   road-width  counterpart  due  to  the  lengthened
             along  a  particular  segment  permits  the  aggressive   distance of people on the sidelines from the Andas.
             maneuver for some pedestrians. The longer stagnant   With  the  determined  linear  relationship  between
             time  lengthens  the  opportunity for  this  aggressive   hustle rate and stop-traverse ratio, the explanation as
             behavior,  consequently  exposing  pedestrians  to   to why hustle rate decreases as road width increases
             chaotic behavior and extreme densities for extended   can now be interpreted by the similar behavior of the
             periods and increasing their risk of injuries.     stop-traverse  ratios  to  the  same  increasing  road
                                                              width.  Generated  curves  presented in  Fig.  10  and




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