The U Line is a driverless, fully automatic, grade-separated rubber-tyred light metro line in Uijeongbu, Seoul Capital Area, South Korea. The "U" is short for the city Uijeongbu. The line uses Véhicule Automatique Léger (VAL) 208 trains built by Siemens Transportation Systems. The system is very similar to the Lille Metro, Toulouse Metro and Rennes Metro in France. The line color is amber.