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in 2030 and 53.6% in 2050 for the Transport Sector was suggested that the metro
BaU scenario. The modal share of Emissions corridor will be a better option.
cars also increases steadily from The technical analysis was carried
3.7% in 2008 to 4% and 4.6% in It is seen that there is a lot of out with the assumption that the
2030 and 2050 respectively. reduction in total emissions and elevated corridor will be opened
per capita emissions in sustainable
VKT increased by 55% and transport scenarios compared for traffic in 2020. The simulation
132% for 2030 and 2050, with the BaU scenario. was implemented for 2017,
respectively concerning 2008 in 2020 and 2030 considering the
the BaU scenario. This increase The study says that the B4-S4 following scenarios:
would result in more fossil fuel scenario has the potential to • Business as Usual Scenario
consumption that, in turn, would reduce CO emissions by 98% (BAU) – Scenario without
2
lead to greater emission leading compared with the BaU scenario. flyover construction.
The table shows the impact the
to an unsustainable and unlivable • Scenario 1 (S1) – Scenario
situation in BMR. Emissions B4-S4 scenario has on reducing where the flyover is
emissions from Bengaluru
are estimated using factors for transportation making the city constructed.
conventional vehicles and electric more livable. • Scenario 2 (S2) – Scenario
vehicles for CO, HC, NOx, CO ,
2 where the metro is constructed
PM pollutants. Impact of The Metro instead of flyover along the
Although Metro rail does Transport System same proposed corridor.
not directly emit pollution, the The main idea of this proposed The study emphasises that
electricity generation process project is to ease the Bangalore the construction of flyovers will
involved in running the rail does so. traffic by connecting the suburbs only attract a greater number
These emissions are called indirect to the Central Business District and of cars and two-wheelers which
emissions, which are attributed one another to enable seamless will eventually lead to traffic
to the case study of Bengaluru. travel between any of the entry/ congestion. The mode shares of
The emission levels of other exit points of the corridor. cars and two-wheelers increased
local pollutants such as NOx and This study highlighted that the by 60% and 5% in 2020, as
PM2.5 are also likely to increase proposed elevated road corridor well as by 23% and 9% in 2030
extremely in the BaU scenario will only result in increased traffic due to the addition of new road
unless proper mitigation measures congestion, VKTs, and vehicular infrastructure. On the other
are implemented. emissions. On the contrary, it hand, the mode shares of public

64 August-September ’19 / TrafficInfraTech www.trafficinfratech-com-500653.hostingersite.com