Motor Vehicle Emission Modeling and Software Simulation Computing for Roundabout in Urban City

Table 3

Ranges of VSP.

VSP (kw/t)	Range	Frequency
VSP < −10	1	0.035
−10 ≤ VSP < 2	2	0.061
−2 ≤ VSP < 0	3	0.074
0 = VSP	4	0.294
1 ≤ VSP < 3	5	0.212
3 ≤ VSP < 5	6	0.206
5 ≤ VSP < 9	7	0.037
9 ≤ VSP < 13	8	0.016
13 ≤ VSP < 17	9	0.016
17 ≤ VSP < 20	10	0.013
20 ≤ VSP	11	0.037