railways on the Isle of Wight
... that of the 55 miles (89 km) of railways on the Isle of Wight inherited by British Railways in 1948, only 14 miles (23 km) are in use today?
... that of the <span about="#mwt17" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"55"},"2":{"wt":"mi"}},"i":0}}]}' id="mw5w" typeof="mw:Transclusion">55 miles (89</span><span about="#mwt17" typeof="mw:Entity"> </span><span about="#mwt17">km)</span> of <b id="mw6A"><a href="./Railways_on_the_Isle_of_Wight" id="mw6Q" rel="mw:WikiLink" title="Railways on the Isle of Wight">railways on the Isle of Wight</a></b> inherited by <a class="mw-redirect" href="./British_Railways" id="mw6g" rel="mw:WikiLink" title="British Railways">British Railways</a> in 1948, only <span about="#mwt18" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"14"},"2":{"wt":"mi"}},"i":0}}]}' id="mw6w" typeof="mw:Transclusion">14 miles (23</span><span about="#mwt18" typeof="mw:Entity"> </span><span about="#mwt18">km)</span> are in use today?