Reliable Sources. There's no denying the necessity of reliable signals at level crossings, where road, rail and pedestrian traffic regularly converge. Robust, virtually maintenance-free GE Lighting Solutions LED level crossing signals offer substantial performance advantages over traditionally used incandescent lamps in retrofit or new active level crossing installations. In addition to offering long-life, GE Lighting Solutions LED level crossing signals deliver superior signal visibility, brightness and major reductions in maintenance hassles and costs.