Colas Rail, the railway division of Colas Group, has a workforce exceeding 5,500 people in France through more than 30 subsidiaries and agencies and a permanent network established in United Kingdom, Belgium, Romania, Morocco, Egypt, Algeria, Venezuela, Chile, Malaysia, Vietnam, Singapore and Indonesia. With its railway experience and complementary areas of expertise, Colas Rail plays an active role in developing projects in the following areas: Permanent Way (slab track and ballasted), Electrification (sub-stations, overhead lines), Signalling Control, Communications, Electrification and Power Systems which allows for the perfect integration of complex transport system rail networks and urban transport systems (high-speed railway lines, tramways, MRTs, LRTs and metros). Colas Rail has been present in Asia for a while, in Indonesia, Malaysia and Vietnam.