▁ 8 - kil omet re - long , ▁used ▁to ▁have ▁several ▁stations , ▁but ▁they ▁have ▁been ▁closed ▁over ▁time . ▁However , ▁Le ▁Cr êt - du - Loc le ▁station ▁was ▁re open ed ▁in ▁August ▁ 2 0 0 7 . ▁Most ▁trains ▁from ▁La ▁Ch aux - de - F onds ▁terminate ▁at ▁Le ▁Loc le , ▁where ▁the ▁narrow - g au ge ▁TR N ▁connect s ▁to ▁Les ▁B ren ets . ▁The ▁few ▁dies el ▁rail c ars , ▁which ▁continue ▁to ▁France , ▁run ▁down ▁a ▁ste ep ▁incl ine ▁and ▁cross ▁a ▁steel ▁bridge ▁to ▁Loc le - Col - des - R och es ▁station . ▁They ▁then ▁run ▁through ▁the ▁Col ▁des ▁Ro ches ▁tunnel , ▁in ▁the ▁middle ▁of ▁which ▁is ▁the ▁national ▁border . ▁ ▁Trans run ▁ ▁On ▁ 2 3 ▁September ▁ 2 0 1 2 , ▁Ne uch ât el ▁vot ers ▁narrow ly ▁rejected ▁the ▁so - called ▁Trans run ▁project , ▁a ▁direct ▁S - B ahn ▁connection ▁between ▁Ne uch ât el ▁and ▁La ▁Ch aux - de - F onds . ▁The ▁railway , ▁which ▁would ▁have ▁cost ▁about ▁CH F ▁ 1 ▁billion , ▁would ▁have ▁removed ▁the ▁difficult ▁z ig - z ag ▁in ▁Cham bre li en , ▁short ened ▁the ▁line ▁from ▁ 2 9 . 5 ▁to ▁ 1 6 . 7 ▁kilometres ▁and ▁reduced ▁the ▁travel ▁time ▁of ▁ 2 7 ▁minutes ▁in ▁half .