Access to restricted areas (Diesel vehicles) in Tokyo

Since 2003, the Tokyo Metropolitan Government (TMG) has been regulating exhaust gas from diesel vehicles. Diesel vehicles subject to the regulation include large vehicles, such as trucks and buses, except passenger vehicles. The diesel vehicles that do not meet the particulate matter (PM) emission standards stipulated by the ordinances are not allowed to drive in the Metropolitan area. These diesel vehicles must be replaced with low-emission vehicles or equipped with PM reduction devices in order to satisfy the regulation.

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