▁one ▁platform , ▁and , ▁in ▁November ▁that ▁year , ▁demol ition ▁of ▁the ▁station ▁began . ▁The ▁remaining ▁single ▁platform ▁was ▁used ▁until ▁ 2 7 ▁June ▁ 1 9 8 6 . ▁The ▁station ▁was ▁formally ▁closed ▁on ▁ 3 0 ▁June , ▁along ▁with ▁Dal ston ▁J unction , ▁the ▁other ▁station ▁serving ▁the ▁North ▁London ▁Line ' s ▁City ▁branch . ▁Dem ol ition ▁of ▁the ▁station ▁was ▁completed ▁by ▁the ▁end ▁of ▁ 1 9 8 6 . ▁The ▁service ▁from ▁Wat ford ▁to ▁Liverpool ▁Street ▁was ▁with dra wn ▁on ▁ 2 8 ▁September ▁ 1 9 9 2 , ▁with ▁Prim rose ▁Hill ▁station , ▁the ▁only ▁station ▁exclus ively ▁served ▁by ▁the ▁route ▁from ▁Wat ford ▁to ▁the ▁City , ▁being ▁closed ▁at ▁the ▁same ▁time . ▁ ▁R ede velop ment ▁ ▁Broad ▁Street ▁station ▁was ▁completely ▁demol ished ▁and ▁replaced ▁by ▁the ▁Broad gate ▁office ▁and ▁sho pping ▁complex . ▁Most ▁of ▁the ▁Kings land ▁Vi ad uct ▁leading ▁to ▁the ▁North ▁London ▁Line ▁remains ▁largely ▁int act , ▁and ▁has ▁been ▁restored ▁to ▁carry ▁the ▁London ▁Over ground ▁along ▁the ▁old ▁track bed ▁as ▁far ▁as ▁. ▁The ▁former ▁line ▁over ▁the ▁Great ▁Eastern ▁Street ▁vi ad uct ▁to ▁Broad ▁Street ▁has ▁been ▁used ▁as ▁a ▁location ▁for ▁artists ' ▁stud ios , ▁hous ed ▁in ▁converted ▁J ub ile e ▁line ▁Under ground ▁trains . ▁ ▁The ▁Cross ra il ▁project , ▁to ▁construct ▁a ▁new ▁under ground ▁railway ▁line ▁through