Research Article

Evaluating the Effects of One-Way Traffic Management on Different Vehicle Exhaust Emissions Using an Integrated Approach

Table 8

Regional overall emissions before and after one-way traffic.

Emission indexValueDifferenceRelative difference

CO emission rate before one-way traffic (mg/s)1784.79−380.86−21.34%
CO emission rate after one-way traffic (mg/s)1403.93
HC emission rate before one-way traffic (mg/s)80.85−18.02−22.29%
HC emission rate after one-way traffic (mg/s)62.83
NOx emission rate before one-way traffic (mg/s)536.53−127.53−23.77%
NOx emission rate after one-way traffic (mg/s)409.00

Note: the difference is equal to the emission after setting one-way traffic management subtracted by the emission before.