1.Section Poprikuša – Nemila

2. Section The northern border Zenica (Nemila) – Zenica north (Donja Gračanica)

  • subsectionNemila-Vranduk
  • subsection Vranduk – Ponirak
  • subsection Ponirak – Vraca (tunel Zenica)
  • subsection Donja Gračanica (Zenica north) –  Tunnel Zenica

3. Section Tarčin – Konjic

  • subsection Tarčin – Ivan: LOT 2 Tunnel Ivan

4. Section Konjic – Mostar north (Salakovac)

  • subsection LOT 3 – Tunnel Prenj

5. Section Mostar south– Buna

  • subsection Mostar south – Tunnel Kvanj
  • poddionca tunela Kvanj – Buna