▁road . ▁From ▁Au ▁Ha ▁to ▁Sh a ▁T au ▁K ok ▁the ▁ge ography ▁required ▁that ▁the ▁line ▁took ▁its ▁own ▁less ▁easy ▁route , ▁involving ▁grad ients ▁as ▁ste ep ▁as ▁ 1 : 4 5 ▁and ▁curves ▁of ▁radius ▁down ▁to ▁ 1 5 0 ▁feet . ▁Some ▁of ▁the ▁old ▁rails ▁and ▁a ▁tunnel ▁can ▁still ▁be ▁trac ed ▁through ▁the ▁dense ▁fol i age ▁of ▁the ▁coun tr ys ide ▁today . ▁ ▁In ▁ 1 9 2 4 ▁the ▁Hong ▁Kong ▁Government ▁decided ▁to ▁extend ▁the ▁existing ▁motor ▁road ▁from ▁Au ▁Ha ▁to ▁Sh a ▁T au ▁K ok . ▁The ▁line ▁ceased ▁operation ▁on ▁April ▁ 1 , ▁ 1 9 2 8 ▁as ▁a ▁result ▁of ▁falling ▁patron age ▁and ▁reven ues ▁due ▁to ▁competition ▁from ▁motor ▁vehicles ▁using ▁the ▁recently ▁completed ▁Sh a ▁T au ▁K ok ▁Road . ▁ ▁After ▁the ▁closure ▁of ▁the ▁line ▁in ▁ 1 9 2 8 , ▁two ▁W . ▁G . ▁B agn all ▁Limited ▁locomot ives ▁purchased ▁in ▁December ▁ 1 9 2 3 ▁and ▁used ▁on ▁the ▁railway ▁from ▁mid ▁ 1 9 2 4 ▁until ▁the ▁line ▁closed ▁were ▁sold ▁by ▁the ▁Hong ▁Kong ▁Government ▁to ▁the ▁North ▁Neg ros ▁Sug ar ▁Company ▁of ▁I lo ilo ▁in ▁the ▁Philippines . ▁There ▁until ▁ 1 9 9 0 ▁they ▁were ▁first ▁used ▁to ▁transport ▁cut ▁sugar ▁can e ▁to ▁nearby ▁sugar ▁mill s , ▁and ▁later ▁for ▁track ▁maintenance ▁and ▁sh un ting ▁work