Finland introduces new interlocking
VR Class Sm4 electric train, source: VR Group
A new interlocking device is in use in Kerava in the south of Finland from 21 June 2021. It is one of the largest deployments of the railway safety equipment system in Finland, and is necessary for additional tracks that will be constructed later. The Finnish Transport Infrastructure Agency commissions the interlocking, for which track closure is necessary, over the summer.
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