Oct 2017 –April 2018 (24 weeks) General
Oct 2017-June 2018 (30 weeks) Preparation work for tunnel under Alpha
October 2017-March 2018 (20 weeks) Preparatioon work for route construction
April 2018-January 2020 (87 weeks) Route construction
May 2018-July 2019 (60 weeks) MPT Parkway Station plus Viaduct to Gateway Bridge
May 2018-May 2019 (53 weeks) Gateway Bridge
May 2018- April 2019 (47 weeks) CTA temporary roads to replace dual carriageway
June 2018-June2020 (97 weeks) Tunnel under Alpha
June 2018-October 2019 (59 weeks) Central Station
July 2018-January 2020 (71.2 weeks) CTA tunnel
October 2018-June 2019 (32 weeks) Tunnel beyond station (maintenance area)
October 2019-September 2020(48 weeks) Install MPT
January 2020- May 2020 (18 Weeks) Re-instate CTA road network
Sept 2020 – March 2021 (25 weeks) Test and Commission
