The line uses Véhicule Automatique Léger (VAL) 208 trains built by Siemens Transportation Systems.

[2] After four and a half years of operating at a continual loss, a debt of 240 billion won prompted board members of the Uijeongbu Light Rail Transit Company to file for bankruptcy in late 2016.

If the Seoul Central District Court agrees to the filing then operation reverts to the city government.

[7] The U Line is physically connected to the Seoul Metropolitan Subway system and allows payment via the T-money smart card.

However, unlike those cities, the trains have air conditioning to suit the more humid climate of South Korea.