A ScotRail driver has failed a drugs test after his train was derailed by a suspected signalling fault, The Scotsman has learned. The driver was suspended after the routine drugs and alcohol test following the incident, which closed the Dundee-Aberdeen line for two days.
However, it is understood to be highly unusual for a driver to have tested positive for drugs. Drivers are regularly subject to random checks, along with other ScotRail staff, in addition to tests in the wake of such incidents. The drug traces identified in the test are still to be confirmed, it is understood. This includes their origin, whether from recreational or prescription drug...