▁meeting , ▁agreement ▁could ▁not ▁be ▁reached ▁over ▁the ▁allocation ▁of ▁construction ▁cost ▁ris ks . ▁ ▁On ▁ 1 9 ▁July ▁ 2 0 0 7 ▁it ▁was ▁announced ▁by ▁the ▁Federal ▁Government , ▁the ▁State ▁of ▁Baden - W ür ttemberg ▁and ▁DB ▁that ▁the ▁project ▁had ▁been ▁approved . ▁Ident ified ▁fund ing ▁sources ▁are : ▁DB ▁( € 1 , 1 1 5 ▁million ), ▁the ▁State ▁of ▁Baden - W ür ttemberg ▁( € 6 8 5 ▁million ), ▁and ▁the ▁Federal ▁Government ▁( € 5 0 0 ▁million ). ▁The ▁agreement ▁also ▁made ▁provision ▁for ▁possible ▁increases ▁over ▁the ▁€ 2 . 8 ▁billion ▁estimate ▁of ▁up ▁to ▁€ 1 ▁billion , ▁with ▁Baden - W ür ttemberg ▁agree ing ▁to ▁fund ▁up ▁to ▁€ 7 8 0 ▁million ▁and ▁DB ▁agree ing ▁to ▁fund ▁up ▁to ▁€ 2 2 0 ▁million . ▁According ▁to ▁the ▁statement , ▁€ 2 ▁billion ▁would ▁also ▁be ▁inv ested ▁in ▁the ▁railway ▁to ▁Ul m , ▁with ▁the ▁total ▁budget ▁amount ing ▁to ▁€ 4 . 8 ▁billion . ▁ ▁Short ly ▁after ▁the ▁fund ing ▁agreement ▁was ▁announced ▁the ▁political ▁oppon ents ▁of ▁Wolfgang ▁Sch uster ▁were ▁quick ▁to ▁condem n ▁the ▁Stuttgart ▁mayor ▁for ▁back track ing ▁on ▁a ▁promise ▁made ▁during ▁the ▁ 2 0 0 4 ▁mayor al ▁elections ▁- ▁namely ▁that ▁he ▁would ▁allow ▁the ▁population ▁of ▁Stuttgart ▁to ▁decide ▁the ▁fate ▁of ▁Stuttgart ▁ 2 1 ▁if ▁the ▁additional ▁costs ▁of ▁the ▁project ▁amount