▁the ▁railway ▁to ▁the ▁France – Sw itzerland ▁border ▁at ▁Le ▁Loc le - Col - des - R och es ▁( then ▁B ren ets - Col - des - R och es ) ▁and ▁connected ▁it ▁through ▁the ▁Col ▁des ▁Ro ches ▁tunnel ▁and ▁the ▁line ▁to ▁Bes an çon ▁with ▁the ▁French ▁railway ▁network ▁of ▁the ▁Paris - L y on - M éd iter ran é ▁( PL M ) ▁company . ▁▁ ▁On ▁ 1 ▁January ▁ 1 8 8 6 , ▁the ▁ 3 8 . 2 1 - kil omet re - long ▁Ne uch ât el – Le ▁Loc le - Col - des - R och es ▁railway ▁line ▁was ▁separated ▁from ▁the ▁J ura - B ern - L uz ern - B ahn ▁( J BL ) ▁and ▁integrated ▁into ▁the ▁newly ▁founded ▁J ura ▁ne uch ât elo is ▁( J N ), ▁which ▁was ▁taken ▁over ▁by ▁the ▁canton ▁of ▁Ne uch ât el . ▁▁ ▁The ▁Confeder ation ▁bought ▁the ▁railway ▁from ▁the ▁canton ▁and ▁incorpor ated ▁it ▁in ▁the ▁network ▁of ▁the ▁Swiss ▁Federal ▁Rail ways ▁( SB B ) ▁on ▁ 1 ▁July ▁ 1 9 1 3 . ▁The ▁S BB ▁elect r ified ▁the ▁line ▁to ▁Le ▁Loc le - Col ▁des ▁Ro ches ▁at ▁ 1 5 ▁k V ▁ 1 6 <0xE2> <0x85> <0x94> ▁H z ▁AC ▁in ▁ 1 9 3 1 . ▁The ▁extension ▁of ▁the ▁line ▁through ▁France ▁is ▁not