Reduction of Traffic Congestion and CarbonEmissions Through Park and Ride TransportationSystem
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Traffic congestion results in low vehicular speed,
longer trip time, queuing, and blockage of movement coupled with
increased demand of space beyond the road capacity. The
transportation sector causes 13% of the emissions of greenhouse
gas (GHG). It is a sector which is still developing. The fumes from
cars contributes majorly to GHG emission. This work investigated
park and ride facility as an optimal means of ameliorating
congestion and hectic traffic situation within the City of
Tshwane’s Central Business District (CBD) with a view to
lowering greenhouse gases and their impacts on the climate.
Traffic counts were conducted on heavily congested routes
leading to the CBD and structured questionnaires were
administered within the CBD. Carbon Dioxide (CO2) emitted by
traffic within the City of Tshwane Metropolitan Municipality
(CTMM) was estimated and the amount of CO2 to be reduced by
using park and ride facilities was determined. Traffic volumes on
the selected routes indicated a heavy reliance of over 70% on
passenger cars as a mode of entry and exit to the CBD of the city.
The survey conducted also showed that about 89% of the people
interviewed may be delayed by traffic jams when they are going to
work. Fifty-four percent of the respondents indicated intention to
use park and ride facilities provided it would guarantee safety,
security and reliability. The study also revealed that the use of
park and ride transportation system may reduce 96.2% carbon
emission by cars traveling along the A Re Yeng Bus Rapid Transit
(BRT) line in the city. Park and ride may be further researched
for the feeder systems of the A Re Yeng BRT and within townships
in the city of Tshwane Metropolitan Municipality.
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