One contract, worth €30m, extends Alstom's agreement to maintain the 23km two-line network from 2014 to 2019. Alstom is responsible for maintaining the track, catenary and power supply, signalling, telecommunications, and CCTV.

The other deal is worth €23m and grants Alstom a five-year extension to 2019 to maintain 26 Green Line Citadis LRVs which it supplied.