9 0 ) ▁on ▁the ▁south ▁side ▁of ▁Houston ▁south ▁to ▁the ▁Bra z oria ▁County ▁line . ▁On ▁July ▁ 9 , ▁ 1 9 4 5 , ▁the ▁road ▁was ▁extended ▁south ▁and ▁east ▁to ▁K em ah ▁via ▁Pear land ▁and ▁League ▁City , ▁but ▁the ▁US ▁ 7 5 - B raz oria ▁County ▁line ▁portion ▁was ▁cancel led ▁on ▁January ▁ 1 8 , ▁ 1 9 4 6 , ▁creating ▁a ▁gap . ▁This ▁gap ▁was ▁closed ▁on ▁January ▁ 2 7 , ▁ 1 9 4 9 , ▁when ▁a ▁section ▁from ▁League ▁City ▁to ▁the ▁Bra z oria ▁County ▁line ▁was ▁added . ▁On ▁January ▁ 1 6 , ▁ 1 9 6 8 , ▁the ▁eastern ▁termin us ▁was ▁re located ▁and ▁FM ▁ 5 1 8 ▁was ▁r er out ed , ▁replacing ▁a ▁portion ▁of ▁FM ▁ 1 2 6 6 . ▁The ▁old ▁route ▁was ▁ren umber ed ▁FM ▁ 2 0 9 4 . ▁On ▁September ▁ 1 3 , ▁ 1 9 8 4 , ▁the ▁Alt . ▁US ▁ 9 0 - FM ▁ 5 1 8 ▁portion ▁was ▁transferred ▁to ▁FM ▁ 8 6 5 ▁and ▁FM ▁ 5 1 8 ▁was ▁r er out ed ▁over ▁FM ▁ 3 3 4 4 , ▁which ▁was ▁cancel led . ▁On ▁June ▁ 3 0 , ▁ 1 9 9 5 , ▁when ▁the ▁entire ▁route ▁was ▁transferred ▁to ▁U R ▁ 5 1 8 , ▁but ▁on