Traffic congestion results in low vehicular speed,udlonger trip time, queuing, and blockage of movement coupled withudincreased demand of space beyond the road capacity. Theudtransportation sector causes 13% of the emissions of greenhouseudgas (GHG). It is a sector which is still developing. The fumes fromudcars contributes majorly to GHG emission. This work investigatedudpark and ride facility as an optimal means of amelioratingudcongestion and hectic traffic situation within the City ofudTshwane’s Central Business District (CBD) with a view toudlowering greenhouse gases and their impacts on the climate.udTraffic counts were conducted on heavily congested routesudleading to the CBD and structured questionnaires wereudadministered within the CBD. Carbon Dioxide (CO2) emitted byudtraffic within the City of Tshwane Metropolitan Municipalityud(CTMM) was estimated and the amount of CO2 to be reduced byudusing park and ride facilities was determined. Traffic volumes onudthe selected routes indicated a heavy reliance of over 70% onudpassenger cars as a mode of entry and exit to the CBD of the city.udThe survey conducted also showed that about 89% of the peopleudinterviewed may be delayed by traffic jams when they are going toudwork. Fifty-four percent of the respondents indicated intention touduse park and ride facilities provided it would guarantee safety,udsecurity and reliability. The study also revealed that the use ofudpark and ride transportation system may reduce 96.2% carbonudemission by cars traveling along the A Re Yeng Bus Rapid Transitud(BRT) line in the city. Park and ride may be further researchedudfor the feeder systems of the A Re Yeng BRT and within townshipsudin the city of Tshwane Metropolitan Municipality.
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