Ⅰ. Background and Aims of Research
oThe purpose of this study is to analyze the origins, destinations, and routes involving major traffic of commercial trucks based on the characteristics and the amount of traffic, review considerations, preferences, and other factors concerning the location of the charging infrastructure for commercial vehicles in order to prepare the foundation data required to determine the location of the charging infrastructure for commercial vehicles nationwide.

Ⅱ. Present Status of Trucks and Logistics Centers
1. Present Status of Trucks
oThe total number of registered vehicles in 2022 was 25,503,078, and it included 3,696,317 trucks, which accounted for 14.5% of the total of registered vehicles.
ㅇBreaking the registered vehicles down by the type of businesses they served, non-commercial registered vehicles, at 87.8%, were at the top of the list, with small-sized trucks used mostly for non-commercial purposes and medium-duty and heavy-duty trucks used for commercial purposes.

oThe average daily volume of trucks being used in 2022 was 4,708,826, which was 1.9% more than the previous year.
ㅇLight-duty trucks are at the top of the list of vehicles that contribute to traffic, and they are followed by medium-duty and heavy-duty trucks, while the per-vehicle traffic is highest in the order of large-, medium-, and light-duty trucks.

oThe total amounts of PM2.5 emissions and NOX emissions in 2019 were 87,618 tons and 1,086,862 tons, respectively.
ㅇPM2.5 and NOX emissions accounted for 7.1% and 34.2% of road mobile pollution sources, respectively, with t