Page 51 - Traffic Infra Tech Magazine
P. 51

TRAFFIC MANAGEMENT





































                 The event management function of PTV Optima predicts the impact of incidents up to 60 minutes into the future.



                        Real-time traffic               Optima and  PTV Balance  in Asia.   Improving network
                        management with PTV             This is also the first project for our   efficiency with technology
                        Optima                          telecom operators to promote an
                                                        ITS solution. We will expand the use   “The implementation of PTV
                         The real-time traffic management   of mobile big data as a new data   Optima and PTV Balance aims to
                        software, PTV Optima, combines   source for intelligent transportation   optimise capacity and efficiency
                        real-time data with a model-based   services in smart cities“, says Kevin   of the road network“, says Omid
                        approach for a detailed analysis   Yeh, Director at FET.        Ejtemai, Managing Director of
                        of the current traffic state and a                              PTV  Asia-Pacific.  “The  goal  is  to
                        comprehensive forecast for a period   Adaptive signal control   predict traffic conditions, provide
                        of up to an hour. The system detects   with PTV Balance         real-time information to travellers
                        incidents at an early stage and helps   At six intersections in the Daya   and in case of disruptions, help
                        operators work out a response plan   Region, the city installed the dynamic   divert traffic and offer alternative
                        to reduce negative impacts on the   signal timing solution, PTV Balance to   routes.” During the five-month
                        traffic flow. Based on the analysis   optimise signal control. Based on the
                        and prediction of PTV Optima,   data input provided by the detectors   project phase from October 2017
                        Taichung City can now provide   placed along the road network, the   until February 2018, PTV Optima
                        motorists at the Daya interchange   software identifies any changes in the   and PTV Balance have enhanced the
                        with alternative route guidance   transport patterns and reacts to what   network capacity, so that drivers can
                        published on variable message signs.   is happening on the road. As a model-  reach their destinations faster and
                        As the real-time traffic management   based control system, PTV Balance even   more conveniently. In detail, PTV
                        software calculates the rerouting   goes one step further by automatically   technology has reduced the area-
                        effects on the entire network   designing a range of signal control   wide average travel time by 9.4%,
                        area, drivers always receive reliable   options and sending the optimised   improved  average traffic  speed  by
                        recommendations and know which   signal plans to the local controllers in a   8.4% and increased the throughput
                        alternative path they should take to   5mins interval. This way, Taichung City   rate by 7.6%.
                        access Freeway 1 and Expressway 74.   coordinates ramp metering in the Daya       Verena Hochrein
                        “We are pleased to be the first system   Region and reduces the overall travel   Marketing & Communications Manager,
                        integration partner to introduce PTV   delay for motorists.                           PTV Group




              www.trafficinfratech-com-500653.hostingersite.com                                                             April - May ’19 / TrafficInfraTech  51
   46   47   48   49   50   51   52   53   54   55   56