▁ 4 1 1 ▁ 4 - CE P s , ▁services ▁from ▁August ▁ 1 9 9 8 ▁to ▁December ▁ 2 0 0 6 ▁were ▁operated ▁by ▁the ▁Class ▁ 5 0 8 . ▁From ▁the ▁December ▁ 2 0 0 6 ▁tim et able ▁change , ▁the ▁two ▁coach ▁Class ▁ 4 6 6 ▁are ▁used . ▁ ▁Acc idents ▁and ▁inc idents ▁On ▁ 2 6 ▁February ▁ 1 9 7 1 , ▁a ▁train ▁formed ▁of ▁five ▁ 2 H AP ▁electric ▁multiple ▁units ▁over ran ▁the ▁buff ers ▁and ▁demol ished ▁the ▁station ▁building . ▁One ▁person ▁was ▁killed ▁and ▁ten ▁were ▁injured . ▁ ▁Services ▁The ▁typical ▁off - pe ak ▁service ▁from ▁the ▁station ▁is ▁two ▁trains ▁per ▁hour ▁to ▁S itting bourne , ▁for ▁connections ▁to ▁London . ▁ ▁Since ▁January ▁ 2 0 1 5 , ▁S out he astern ▁operate ▁two ▁direct ▁services ▁from ▁She ern ess - on - Se a ▁to ▁ ▁in ▁the ▁morning ▁peak . ▁These ▁services ▁do ▁not ▁stop ▁at ▁S itting bourne ▁by ▁using ▁the ▁third ▁side ▁of ▁a ▁triangle ▁j unction ▁( West ern ▁J unction ) ▁that ▁links ▁the ▁She ern ess ▁Line ▁to ▁the ▁west ▁bound ▁Ch ath am ▁Main ▁Line . ▁There ▁are ▁also ▁two ▁return ▁services ▁from ▁London ▁Victoria ▁to ▁She ern ess - on - Se a ▁in ▁the ▁evening ▁peak . ▁These ▁services ▁do ▁not ▁stop ▁at ▁. ▁ ▁There ▁is ▁also ▁one ▁very ▁early ▁morning ▁train ▁arriv ing