In the course of electrification in 2018, the 600m long BASF-tunnel, built in 1974, was equipped with tunnel safety lighting in the form of a handrail with integrated TSB (HiT).
The 1700m long Hengsbergtunnel and the underground section Weitendorf, 1200m, are part of the access route Koralmtunnel and were equipped with a handrail with orientation lighting in 2011.