▁religious ", ▁ 1 6 % ▁is ▁at he ist , ▁and ▁ 2 . 6 % ▁follows ▁other ▁relig ions ▁or ▁did ▁not ▁give ▁an ▁answer ▁to ▁the ▁question . ▁ ▁Econom y ▁ ▁The ▁main ▁indust ries ▁in ▁the ▁republic ▁are ▁coal ▁min ing , ▁ore ▁min ing , ▁and ▁tim ber . ▁ ▁Transport ▁▁ ▁The ▁road ▁network ▁is ▁most ▁developed ▁around ▁the ▁major ▁cities ▁of ▁the ▁centre , ▁west ▁and ▁south west . ▁Federal ▁highway ▁R - 2 5 7 ▁runs ▁through ▁Kh ak ass ia . ▁Other ▁major ▁high ways ▁include ▁the ▁regional ▁highway ▁A 1 6 1 ▁south ▁from ▁R - 2 5 7 ▁in ▁Ab ak an ▁along ▁the ▁Ab ak an ▁valley ▁to ▁Ab aza ▁and ▁across ▁the ▁mountains ▁to ▁Ak - D ov ur ak ▁( Tu va ). ▁The ▁most ▁developed ▁sections ▁of ▁roads ▁are ▁Ab ak an ▁- ▁Say an og or sk , ▁Ab ak an ▁- ▁Bey a , ▁Ab ak an ▁- ▁Ab aza , ▁Ab ak an ▁- ▁Sor sk , ▁Bog rad ▁- ▁Sh ira ▁- ▁K opy e vo , ▁and ▁K opy e vo ▁- ▁Pri isk ovy . ▁Ro ads ▁to ▁other ▁smaller ▁settlement s ▁are ▁mainly ▁d irt ▁roads , ▁although ▁they ▁are ▁currently ▁being ▁replaced ▁with ▁hard ▁surface . ▁▁ 6 6 3 ▁km ▁of ▁rail ways , ▁elect r ified ▁from ▁Ab ak an ▁to ▁K alt as . ▁Other ▁non - elect r ified ▁sections ▁are ▁Tig ey ▁- ▁Kop