buses replaced train services. Trains can now pass through at 45 mph. Future Improvements to the line were proposed as part of Network Rail's 2010 Northern Hub plans, which would allow for more frequent services on the line. Some services via Bradford would also be extended to , , Liverpool and . The Chester services started in December 2017 under the proposed "Northern Connect" brand, which has since been scrapped. Those services are operated by new 100 mph Class 195 diesel trains by December 2019. In 2018, the Manchester Airport trains briefly ran over the Ordsall Curve. However, those services have also been scrapped. Track and signalling upgrades between Hebden Bridge and Leeds (following on from work already carried out between Littleborough and Manchester) will allow for quicker journey times by the autumn of 2018. The work will see four existing signal boxes between Hebden Bridge and Mill Lane Junction in Bradford closed and signalling control transferred to the Rail Operating Centre at York. The ROC will also take over the operation of the parts of the line through Brighouse and Mirfield currently controlled from Huddersfield and Healey Mills panel boxes. station, between Bradford Interchange and Halifax, reopened on 2 April 2017 after the original opening planned for 2005 was delayed by the discovery of disused mine workings under the station site. A business case is being developed to re-open station between Halifax and Brighouse. Calderdale Council have called for the route to be electrified as an alternative route to the line through Huddersfield should that be closed for engineering works. Tim Swift, the leader of Calderdale Council in 2015 stated "It makes no logical sense in terms of a long term network to electrify the Trans-Pennine Route and not the Calder Valley Line". In March 2015 The Northern Sparks report was produced by a committee of Members of Parliament from all parties focusing on economic benefits of electrification in the North. The Calder Valley line in its entirety was number one priority. This was reiterated in 2018. The Integrated Rail Plan for the North and Midlands (IRP) is a government document that was published on 18 November 2021. This document says that the line from Leeds to Bradford Interchange will be electrified. As part of the TFGM's Delivery Plan, there are plans to electrify the line between Manchester Victoria to Rochdale via Mills Hill. This is part of the