▁Street ▁via ▁the ▁Great ▁Eastern ▁Main ▁Line . ▁▁ ▁As ▁North ▁F amb ridge ▁is ▁at ▁the ▁mid point ▁of ▁this ▁single - track ▁line , ▁its ▁double - track ▁configuration ▁provides ▁a ▁passing ▁loop ▁to ▁allow ▁two ▁trains ▁to ▁run ▁on ▁the ▁line ▁at ▁any ▁one ▁time . ▁The ▁station ▁was ▁originally ▁called ▁F amb ridge ▁( with ▁the ▁code ▁F AM ) ▁but ▁this ▁was ▁changed ▁to ▁North ▁F amb ridge ▁on ▁ 2 0 ▁May ▁ 2 0 0 7 . ▁ ▁References ▁ ▁External ▁links ▁ ▁History ▁of ▁the ▁Cr ouch ▁Valley ▁Line ▁Local ▁information ▁about ▁Cr ouch ▁Valley ▁Line ▁ ▁Category : R ail way ▁stations ▁in ▁Es sex ▁Category : Form er ▁Great ▁Eastern ▁Railway ▁stations ▁Category : Gre ater ▁Ang lia ▁franch ise ▁railway ▁stations ▁Category : R ail way ▁stations ▁opened ▁in ▁ 1 8 8 9 ▁Category : Will iam ▁Ne ville ▁Ash be e ▁railway ▁stations ▁Category : 1 8 8 9 ▁establish ments ▁in ▁England <0x0A> </s> ▁Re lev ance ▁is ▁a ▁measure ▁of ▁how ▁pert inent , ▁connected , ▁or ▁applicable ▁something ▁is . ▁ ▁Re lev ance ▁may ▁also ▁refer ▁to : ▁ ▁Re lev ance ▁( information ▁retr ieval ), ▁a ▁measure ▁of ▁a ▁document ' s ▁applic ability ▁to ▁a ▁given ▁subject ▁or ▁search ▁query ▁Re lev ance ▁( law ), ▁regarding ▁the ▁adm iss ibility ▁of ▁evidence ▁in ▁legal ▁proceed ings ▁Re lev ance ▁logic , ▁mathematical ▁logic ▁system ▁that ▁impos es ▁certain ▁restrictions ▁on ▁imp lication