Extending the sightline requirements to all unguarded level crossings Recommendation status Not to be implemented Investigation Branch Rail R Type of Accident Accident Issue date 10.1.2001 Recommendation ID B2/2000R/S153 Recommendation The visual clearance specifications should be applicable to all unguarded level crossings. Investigation report B2/2000R Passenger train and ballast trailer lorry colliding at Kuivaniemi, on 6 July, 2000