Improving side protection Recommendation status Implemented Investigation Branch Rail R Type of Accident Accident Issue date 12.11.1999 Recommendation ID C9/1999R/S114 Recommendation A protection turnout or at least two shunting signals should be used as lateral protection for main lines operated at high speeds. Investigation report C9/1999R Hazardous situation generated by a local train passing a “stop” aspect in a shunting signal at Kerava on July 15, 1999