▁Spring field . ▁ ▁Route ▁ 2 9 ▁enters ▁Spring field ▁at ▁the ▁Abraham ▁Lincoln ▁Capital ▁Airport , ▁and ▁runs ▁around ▁the ▁north ▁and ▁east ▁sides ▁of ▁the ▁city . ▁After ▁leaving ▁Spring field ▁at ▁an ▁inter change ▁with ▁Inter state ▁ 5 5 / Inter state ▁ 7 2 / U . S . ▁Route ▁ 3 6 , ▁Route ▁ 2 9 ▁runs ▁sout heast ▁through ▁Taylor ville , ▁passing ▁the ▁end ▁of ▁Illinois ▁Route ▁ 1 0 4 ▁and ▁crossing ▁Illinois ▁Route ▁ 4 8 , ▁then ▁ending ▁at ▁U . S . ▁Route ▁ 5 1 / Ill inois ▁Route ▁ 1 6 ▁in ▁P ana . ▁ ▁History ▁ ▁Route ▁ 2 9 ▁was ▁established ▁in ▁ 1 9 1 8 , ▁and ▁ran ▁from ▁De P ue ▁to ▁Pe oria . ▁It ▁was ▁extended ▁twice ▁over ▁Illinois ▁Route ▁ 2 4 ▁in ▁ 1 9 3 6 ▁and ▁ 1 9 4 0 , ▁and ▁in ▁ 1 9 4 2 ▁replaced ▁an ▁old ▁alignment ▁of ▁U . S . ▁Route ▁ 6 ▁from ▁Bureau ▁J unction ▁to ▁Spring ▁Valley . ▁ ▁The ▁routing ▁of ▁Route ▁ 2 9 ▁through ▁Pe oria ▁was ▁changed ▁in ▁ 2 0 1 2 . ▁That ▁same ▁year , ▁U . S . ▁Route ▁ 2 4 ▁was ▁r er out ed ▁over ▁the ▁river ▁along ▁a ▁more ▁south western ▁alignment . ▁ 2 9 ▁was ▁re located ▁from ▁the ▁C ed ar ▁Street ▁Bridge ▁to ▁the ▁Murray ▁Baker ▁Bridge ,