Pan-European Corridor X

Pan-European Corridor X
Pan-European Corridor X highlighted in red
Major junctions
Start end:	Salzburg (Austria)
End end:	Thessaloniki (Greece)
Location
Countries:	Austria, Slovenia, Croatia, Serbia, Bulgaria, Republic of Macedonia and Greece
Highway system
Pan-European corridors

The Corridor X is one of the pan-European corridors. It runs between Salzburg in Austria and Thessaloniki in Greece. The corridor passes through Austria, Slovenia, Croatia, Serbia, Macedonia and Greece. It has four branches: Xa, Xb, Xc and Xd.

The European Bank for Reconstruction and Development has given loans to support infrastructure improvements along Corridor X.

Branches

X: Salzburg - Ljubljana - Zagreb - Belgrade - Niš - Skopje - Veles - Thessaloniki.

• Branch A: Graz - Maribor - Zagreb
• Branch B: Budapest - Novi Sad - Belgrade
• Branch C: Niš - Sofia - Plovdiv - Edirne - Istanbul via Corridor IV
• Branch D: Veles - Prilep - Bitola - Florina - Igoumenitsa (Via Egnatia)

Branch A (Corridor Xa)

Main article: Corridor Xa

Corridor Xa runs between Graz, Austria and Zagreb, Croatia through three countries: Croatia, Slovenia and Austria.

Branch C (Corridor Xc)

Corridor Xc follows the route Niš - Sofia - Plovdiv - Edirne - Istanbul.

The road in Serbia from Niš to the Bulgarian border nearby Dimitrovgrad currently is being upgraded to a motorway standard. The construction works in all sections are expected to be completed in 2017.

In Bulgaria, I-8 road connect Sofia with the Serbian border, but Kalotina motorway is planned to sepersede it. Currently the transit traffic has to pass via the Sofia Ring Road, but a new bypass Northern Speed Tangent is under construction since 2015 and is expected to be completed in 2016. Trakia motorway (A1) runs from Sofia to Chirpan, where Maritsa motorway (A4), completed in October 2015, branches off to Turkey.

In Turkey, Otoyol 3 motorway runs from Edirne to Istanbul.