Service Contract For Technical Assistance For The Drafting Of The Environmental Impact Study. Improvement And Completion Of The Current Link Of The C-55 With The C-25 With New Branches Towards Girona, Rearrangement Of Accesses To Manresa From The C-25, The C-55 And The C-16C And A New Link To The C-25 At Pk 138+250 In Sant Fruitós De Bages. Key: Ai Ia-Cib-23102