receive the refurbishment and gain the new blue Southestern livery was 375 920, which was returned to Ramsgate depot on 28 April 2018. Accidents and incidents On 8 November 2010, a passenger train operated by unit 375 711 overran station, on the Hastings Line in East Sussex, due to low railhead adhesion in the leaf fall season and maintenance errors in respect of the train's sanding apparatus. The train continued to slide beyond the station for . Following the incident, Southeastern reduced the interval that the sand hoppers were to be refilled from seven days to five days. On 24 November 2014, the front carriage of unit 375 611 caught fire from faulty electrical insulation pots at Platform 6. There were no injuries, though both the track and leading carriage required repairs, part of the rail being melted. On 26 July 2015, units 375 703 and 375 612 formed a train that collided with a herd of cattle on the line at Godmersham, between and , Kent. The leading carriage of 375 703 was derailed. There were no injuries amongst the 70 passengers and crew on board. On 5 January 2018, unit 375 815 hit a fallen tree near Herne Bay. Though damage was sustained to the leading carriage, there were no injuries. On 24 October 2018, shortly before midnight unit 375 301 leading 375 906 hit a car abandoned on a level crossing between Teynham and Faversham. The car caught fire and the leading carriage of 375 301 sustained damage to its corridor, bogie and coupling. Operations Main lines Class 375s work the following main line routes: Charing Cross – Tunbridge Wells and Hastings fast services Charing Cross – Dover Priory and Ramsgate via Ashford International. Victoria – Ramsgate and Dover Priory via Chatham Cannon Street - Ramsgate/Broadstairs via Chatham (peak hours only) Outer suburban Class 375s also work the following outer suburban Southeastern routes interchangeably with Class 465/9 units: Charing Cross – Tunbridge Wells Victoria – Ashford International and Maidstone East, Victoria - Dover Priory via Denmark Hill and Gillingham (Kent) Victoria - Canterbury East/Faversham (Sundays only) Medway Valley Line Class 375/3 Electrostar units started operating services on the Medway Valley Line from May 2012 to January 2016, and then from September 2016 to the present day. Previously Class 466 Networkers were the regular units on this line with the occasional Class 465 Networker or 4-car 375 Electrostar