The KTX-II, which renamed as KTX-Sancheon, had started it service on March 2, 2010, Compare to the KTX-I, the train has a better acceleration, taking 316 seconds to accurate from 0 to 300 km/h, which is 50 seconds faster; the seat distance was also been increased that providing more leg room for passengers; The train provides internet access to all passengers, and digital multimedia broadcasts; fire detector had also been installed in the train, which also provide a more safety environment.
Why do you think the engineer need to design this new train?
Jasper's Blog on Trains 