In Doha Metro Gold Line Project, the first TBM breakthrough was successfully achieved on 30th August 2015, when TBM No.3 completed the tunnel boring distance of 1,257 meter from Al Sudan Station to Joaan Station. Adjacent TBM No.4 (also shown in pictures) will reach Joaan Station in the first week of September 2015. Cumulative tunnel boring distance by all 6 TBM’s in Gold Line Project has exceeded 6,000 meter by the end of August 2015.