A production version of the BridgeGuard system developed by Ferranti Technologies is due for release by mid-2000, following two years of trials on five Railtrack structures. BridgeGuard uses accelerometer-based sensors to detect overheight road vehicles hitting rail bridges, with a microprocessor monitoring unit providing an assessment of likely damage.

The Silentbloc Division of Silvertown UK Ltd is to supply rolling rubber bushes, rubber/metal side bearer springs and ball joints for the secondary suspension on four Bo-Bo-Bo locomotives being built by Brush Traction and Adtranz for Eurotunnel. The suspension has been designed for lateral travel of