Click below to consult the terms in the lexicon.
- Rail dampers
A means to reduce the noise caused by passing trains, rail dampers are attached to the rails to reduce vibrations when a train passes over them.
- Rail interoperability
Ability of a rail system to provide safe and uninterrupted train journeys (for example, for a train originating in Germany to use the Belgian network and vice versa).
- Railway crossover
Railway bridge on which one or several lines run and below which one or several other lines run. In railway language, the crossover point is called PX.
- Railway equipment
Equipment necessary for trains to operate: tracks, overhead wiring, sleepers, signals, etc.
- Railway infrastructure
Infrastructure necessary for trains to operate: tracks, overhead wiring, sleepers, signals, etc.
Reliability, Availability, Maintainability and Safety. Specific approach which is part of a quality management system or an improvement cycle with as its objective to coherently quantify the degree of reliability, availability, maintainability and safety, as well as set out the process to achieve this in a traceable manner.
- Reinforced excavations
Action of digging (in a terrain) to install a foundation. The reinforcement of the excavation serves to support the walls of the hole dug in order to prevent the sides caving in. The reinforcement material varies depending on the nature of the terrain but mainly consists of concrete.
Réseau Express Régional. Future network of closely interconnected rail links and bus lines designed to absorb the expected increase in passenger traffic in a 30 km radius around Brussels.
- Restricted procedure
The procedure for concluding a public procurement contract in which any contractor or service provider may ask to participate and in which only those candidates selected by the public company may submit a bid and attend the bid opening session.