▁volumes ." ▁ ▁In ▁ 1 9 4 0 , ▁a ▁new ▁road way ▁was ▁opened , ▁comple ting ▁the ▁third ▁side ▁of ▁a ▁triangle ▁between ▁the ▁j unction ▁with ▁M - 1 1 3 , ▁Wal ton ▁Corn ers ▁and ▁F ife ▁Lake . ▁US   1 3 1 ▁was ▁shift ed ▁to ▁the ▁new ▁highway ▁and ▁the ▁former ▁routing ▁along ▁the ▁other ▁two ▁sides ▁of ▁the ▁triangle ▁became ▁part ▁of ▁M - 1 1 3 ▁and ▁M - 1 8 6 . ▁A ▁second ▁real ignment ▁opened ▁the ▁following ▁year ▁between ▁F ife ▁Lake ▁and ▁K alk aska . ▁US   1 3 1 ▁no ▁longer ▁turned ▁east ▁along ▁Board man ▁Road ▁between ▁South ▁Board man ▁and ▁L odi . ▁Instead ▁the ▁M SH D ▁r er out ed ▁the ▁highway ▁directly ▁to ▁the ▁n ortheast , ▁from ▁the ▁end ▁of ▁the ▁previous ▁new ▁routing ▁north ▁of ▁F ife ▁Lake ▁to ▁Kal aska . ▁By ▁ 1 9 4 5 , ▁a ▁B yp ass ▁US   1 3 1 ▁was ▁created ▁around ▁the ▁south ▁and ▁east ▁sides ▁of ▁Grand ▁Rap ids , ▁following ▁ 2 8 th ▁Street ▁and ▁East ▁B elt line ▁Avenue , ▁while ▁the ▁main ▁highway ▁continued ▁to ▁run ▁through ▁dow nt own ▁un changed . ▁A ▁de cade ▁later , ▁main line ▁US   1 3 1 ▁was ▁r er out ed ▁around ▁Grand ▁Rap ids ▁over ▁the ▁former ▁by pass ▁route , ▁and ▁Business ▁US   1 3 1 ▁( Bus . ▁US   1