78
N. Akhtar and P. N. Kuriakose
3.5.2 Cost of Additional Carbon Emissions Due
to Congestion
Travel Time Index (TTI) is the ratio between how long it would take to complete
a trip during peak hours as compared to that during free-flow hours. Suppose TTI
of a certain route comes out to be 3, it indicates that the traffic would be moving
three times slower than that at free-flow speeds. TTI is measured as the ratio of
travel time between peak hour speed and speed limits as decided by the government;
however, given the weak implementation of speed limits across India, travel time in
free-flow conditions was used [10]. The TTI for all the 25 major routes (See Table
3.7) was calculated for both AM and PM peak hours and found to be 2.75 and 2.46,
respectively. This signifies that a 30-min trip with no traffic takes 82.5 min during
AM peak hours and 73.8 min during PM peak hours. Further, the cost of additional
petrol consumed and hence the cost of carbon emissions due to the additional petrol
consumed was calculated for the 25 routes. The route from Malleshwaram to Whitefield was observed to have the maximum cost of additional petrol consumed during
both AM and PM peak hours, i.e., 419.2 INR and 400 INR, respectively (Table 3.8).
This additional petrol being consumed by vehicles further leads to additional
carbon emissions, which were calculated for each of the 25 routes. The cost was found
to be highest on the route where the maximum additional petrol was being consumed,
i.e., Malleshwaram to Whitefield. During the AM peak hour, the additional carbon
emissions cost 99.9 INR and that during PM peak hour 95.3 INR (See Tables 3.9
and 3.10).
Table 3.7 Cost of additional petrol consumed (INR) during AM peak hours
Ward name
Ward
no
Cost of additional petrol consumed (INR)
AM peak hour
Cottonpete
138
0
0.2
53.4
25.1
34.9
Hembegowda
153
6.1
32.1
25.1
203.4
2.1
Shanthinagar
117
3.4
82.3
7.2
11.6
0
Malleshwaram 45
0
0
419.2
31.7
105.3
Neelasandra
115
199
75.6
13.8
6.4
3.4
Ward
no
110
38
84
192
86
Ward
name
Vidhan
Souda
Yeshwanthpur Whitefield Electronic
City
Marathahalli
Source UberMovement [39]
N. Akhtar and P. N. Kuriakose
3.5.2 Cost of Additional Carbon Emissions Due
to Congestion
Travel Time Index (TTI) is the ratio between how long it would take to complete
a trip during peak hours as compared to that during free-flow hours. Suppose TTI
of a certain route comes out to be 3, it indicates that the traffic would be moving
three times slower than that at free-flow speeds. TTI is measured as the ratio of
travel time between peak hour speed and speed limits as decided by the government;
however, given the weak implementation of speed limits across India, travel time in
free-flow conditions was used [10]. The TTI for all the 25 major routes (See Table
3.7) was calculated for both AM and PM peak hours and found to be 2.75 and 2.46,
respectively. This signifies that a 30-min trip with no traffic takes 82.5 min during
AM peak hours and 73.8 min during PM peak hours. Further, the cost of additional
petrol consumed and hence the cost of carbon emissions due to the additional petrol
consumed was calculated for the 25 routes. The route from Malleshwaram to Whitefield was observed to have the maximum cost of additional petrol consumed during
both AM and PM peak hours, i.e., 419.2 INR and 400 INR, respectively (Table 3.8).
This additional petrol being consumed by vehicles further leads to additional
carbon emissions, which were calculated for each of the 25 routes. The cost was found
to be highest on the route where the maximum additional petrol was being consumed,
i.e., Malleshwaram to Whitefield. During the AM peak hour, the additional carbon
emissions cost 99.9 INR and that during PM peak hour 95.3 INR (See Tables 3.9
and 3.10).
Table 3.7 Cost of additional petrol consumed (INR) during AM peak hours
Ward name
Ward
no
Cost of additional petrol consumed (INR)
AM peak hour
Cottonpete
138
0
0.2
53.4
25.1
34.9
Hembegowda
153
6.1
32.1
25.1
203.4
2.1
Shanthinagar
117
3.4
82.3
7.2
11.6
0
Malleshwaram 45
0
0
419.2
31.7
105.3
Neelasandra
115
199
75.6
13.8
6.4
3.4
Ward
no
110
38
84
192
86
Ward
name
Vidhan
Souda
Yeshwanthpur Whitefield Electronic
City
Marathahalli
Source UberMovement [39]