A Study on the Model of Traffic Flow and Vehicle Exhaust Emission

Table 1

Interval division of acceleration.

Slowdown		Constant speed		speedup
Interval index	Interval range (m/s^2)	Interval index	Interval range (m/s^2)	Interval index	Interval range (m/s^2)
𝑁1	−0.3<𝑎≤−0.1	0	−0.1<𝑎≤0.1	𝑃1	0.1<𝑎≤0.3
𝑁2	−0.6<𝑎≤−0.3			𝑃2	0.3<𝑎≤0.6
𝑁3	−1.0<𝑎≤−0.6			𝑃3	0.6<𝑎≤1.0
𝑁4	𝑎≤−1.0			𝑃4	𝑎>1.0