christ gordon with our report. >> i'm kind of apprehensive today getting back on the train. i really am, because of the derailment. >> reporter: shortly after 7:00 p.m. last night, a blue line franconia-bound train leaving the rosalind station derailed. it caused delays as crowded training single-tracked through the station. crews worked all night making repairs. they rerailed the front wheels of the train and removed it. they tested the track and switch equipment. metro is investigating to determine the cause of the derailment. >> everybody is getting together and going over their information that they gathered last night to kind of put it altogether into a comprehensive report as to what exactly went wrong. so that includes all departments across the board at metro. >> metro is calling it a minor derailment because there were no injuries and they were able to quickly off-load 1,000 passengers because only two cars were stuck in the funnel, four remained beside the platform. metro riders here in rosalind say they're still affected by this derailment. >> because of this dera

news 4's christ gordon has more on the investigation. chris? >> reporter: this evening's rush hour here at rosalind is moving without any problem. passengers are concerned about last night's derailment, especially because metro has not yet figured out what caused it. normal service on the blue and orange line was restored this morning. shortly after 7:00 p.m. last night, a blue line franconia springfield bound trip leaving the rosalind station derailed. it caused delays as crowded trains single-tracked through the crowded station. crews worked all night making repairs. they rerailed the front wheels of the train and removed it. they tested the track and switch equipment. metro is investigating to determine the cause of the derailment. >> do we know if this is a case of aging equipment or human error or something else? >> that's all going to be a part of the investigation. at this point in time it's too premature to be able to say with any definition what the cause of it was. you can certainly expect that information to come out in the weeks ahe