 On 8 November 2010 , a passenger train operated by Class 375 unit 375 711 failed to stop at Stonegate station due to maintenance errors in respect of the train 's sanding apparatus . The train overran the station by 2 miles 36 chains ( 3 @.@ 94 km ) . Following the incident , Southeastern reduced the interval that the sand hoppers were to be refilled from seven days to five days . The company was fined £ 65 @,@ 000 and ordered to pay £ 22 @,@ 589 in costs . 
