Preliminary findings of a railway accident, that claimed over 10 lives and injured around 50 on Sunday night, reveal human error that led to overshooting of signal by the Visakhapatnam-Rayagada train. According to officials aware of the developments, the Visakhapatnam-Rayagada train overran a red signal and collided into the rear end of the stationary Visakhapatnam-Palasa train. Both trains were ferrying passengers. Two Coaches of Visakhapatnam-Palasa train and the locomotive (engine) of the Visakhapatnam-Rayagada train derailed due to the impact.