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Table 1 Environmental impacts for the base case and the VSL algorithms

From: Characteristics of variable speed limit systems

VSL algorithm

Mean CO2 (kg)

Mean HC (g)

Mean NOx (g)

Base case

1175 ±49

1767 ±101

3154 ±170

RCP

1180 ±49

1825 ±97

3223 ±159

MCS

1183 ±51

1817 ±116

3219 ±187

MTFC

1172 ±45

1671 ±85

3023 ±143

SPECIALIST

1165 ±47

1754 ±104

3124 ±169