2012. Railtrack initiated an upgrading of the Felixstowe branch line in 1997, the first time that it had done this speculatively in anticipation of it receiving increased revenue from freight train operators. The passing loop at Derby Road was extended so that two container trains could pass, the signalling replaced and transferred to the control of Power Signalling Box, and the line speed was increased. The aim was to allow an hourly passenger train service to operate while accommodating more freight trains. The line as far as Felixstowe Beach was maintained to passenger standard in case a service to there is resumed in the future. Electrification was again considered as most Freightliner trains were by then being worked by electric locomotives to Ipswich where they had to be changed to diesel for the short trip to Felixstowe, but the cost of this could not be justified. The work cost £8,000,000 and was completed by June 1999. In 2008 the Secretary of State for Transport approved the 'Felixstowe Branch Line and Ipswich Yard Improvement Order'. This empowered the rebuilding of Ipswich Yard and the laying of a second track for from Trimley westwards to Levington. During the 2012 Summer Olympics Freightliner diverted ten Felixstowe trains each day through either Cambridge or Ely to free up capacity at Stratford which was next to the main venue for the games. In 2011 Network Rail submitted plans for a new double track curve at Ipswich to be known as the Bacon Factory Curve. This avoided the necessity of any train running between Felixstowe and the Ely Line having to reverse in Upper Yard. Work started early in 2013 and was completed in March 2014 with the first train running on 24 March 2014 This is one of a number of enhancements between Felixstowe and Nuneaton which are designed to allow trains to reach the West Coast Main Line without travelling over congested lines in the London area. In October 2017 final approval was given for a £60.4m project which includes doubling between Trimley station and Grimston Lane foot crossing. Work started on 7 April 2018 and was predicted to end in Autumn 2019. However, the work was completed by May 2019 and saw changes to the infrastructure at Trimley station where trains from the Felixstowe direction could now access the disused platform road and the establishment of a double track as far as a