The Amagasaki rail crash was entirely caused by human error but was it a fear of punishment by the company that was ultimately the cause.
With John Chidgey.
Links of potential interest:
Amagasaki Rail Crash
Fukuchiyama Line
ICAO - Annexes Booklet
ICAO - Personnel Licensing FAQ
JTSB Accident Report English Extract
Aircraft and Railway Accidents Investigation Commission