▁ İ z mir ▁B elt way , ▁the ▁O - 3 1 ▁runs ▁south ▁from ▁ İ z mir ▁to ▁A yd ı n ▁and ▁par alle ls ▁the ▁D 5 5 0 ▁for ▁most ▁of ▁its ▁route . ▁ ▁Pl ans ▁to ▁extend ▁the ▁O - 3 1 ▁further ▁to ▁Den iz li ▁and ▁Bur d ur ▁have ▁been ▁final ized ▁and ▁the ▁tender ▁is ▁expected ▁to ▁be ▁awarded ▁on ▁ 1 8 ▁September ▁ 2 0 1 8 . ▁ ▁Route ▁Description ▁▁ İ z mir ▁ ▁The ▁O - 3 1 ▁begins ▁at ▁I ş ı kk ent ▁inter change , ▁a ▁tr ump et ▁inter change ▁with ▁the ▁ İ z mir ▁B elt way ▁( O - 3 0 ) ▁in ▁sout heast ▁Bu ca , ▁ İ z mir , ▁outside ▁the ▁urban ▁city ▁zone . ▁From ▁there , ▁the ▁route ▁heads ▁south ▁through ▁the ▁recently ▁closed ▁I ş ı kk ent ▁T oll ▁Pla za ▁until ▁reaching ▁the ▁L esser ▁M ender es ▁P lain . ▁The ▁motor way ▁cross es ▁over ▁the ▁D . 5 5 0 , ▁which ▁is ▁accessible ▁via ▁Exit ▁K 1 . ▁Exit ▁K 1 , ▁named ▁H aval iman ı , ▁also ▁provides ▁access ▁to ▁Ad nan ▁M ender es ▁Airport , ▁via ▁the ▁D . 5 5 0 . ▁▁ ▁Following ▁Exit ▁K 1 ▁the ▁O - 3 1 ▁becomes ▁a ▁to ll ▁motor way ▁after ▁passing ▁through ▁Pan car ▁T oll ▁Pla za , ▁which ▁uses ▁autom