“…Closing LCs (Nixon et al, 1985) or replacing them with over or under-passes is recommended to prevent suicide (Debbaut et al, 2013;van Houwelingen, 2011van Houwelingen, , 2013 and trespass especially in areas with dense train traffic (Silla and Kallberg, 2012). The safety operation of remaining LCs should be improved by ensuring appropriate physical conditions and sufficient warnings (Ozdo gan et al, 2006), as well as active warning devices (Evans, 2011;Savage, 2006).…”