The road begins at the
Bulgaria–Romania border at the
Durankulak checkpoint on the
Black Sea and heads south through the easternmost part of the Dobrudzha Plateau of the
Danubian Plain. It passes successively through the villages of Durankulak,
Vaklino and
Ezerets and reaches the town of
Shabla. The road the turns in a southwest, runs through the villages of
Gorun,
Poruchik Chunchevo and
Hadzhi Dimitar and reaches the town of
Kavarna, where it turns west. The I-9 next passes through the villages of
Bozhurets and
Topola, runs north of the town of
Balchik, turns southwest, descends from the Dobrudja Plateau at the village of
Obrochishte and reaches the valley of the river
Batova. It continues south along the river valley, passes through the western part of the seaside resort of
Albena and through the village of
Kranevo, reaches the Black Sea coast and enters Varna Province. Maintaining southern direction, the road passes successively through the resorts of
Golden Sands and
Saints Constantine and Helena, crosses the city of
Varna from east to west, overcomes the channel between
Lake Varna and the Black Sea through the
Asparuhov Bridge, ascends the ridge of the Avren Plateau and south of the village of
Zvezditsa connects with the
Cherno More motorway at the latter's Km 9.2. From there, the road continues south along the plateau, passing through the villages of
Priseltsi and
Bliznatsi, descends the plateau, crosses the river
Kamchiya and reaches the village of
Staro Oryahovo. At the village of
Rudnik it crosses the northern branck of the Kamchiya Mountain of the
Balkan Mountains, descends into the valley of the Fandakliyska reka, crosses the southern branch of the Kamchiya Mountain at the village of
Goritsa, passes through the town of
Byala and enters Burgas Province. Road I-9 then crosses the river
Dvoynitsa, passes through the center of the town of
Obzor and the village of
Banya, overcomes the ridge of the Eminska Mountain through the Primorski Pass (450 m) and descends to the
Burgas Plain in the northern part of the
Sunny Beach resort. From here to the city of
Burgas, the road follows the coastline as it passes through the western part of the resort, crosses the
Hadzhiyska reka and as a four-lane
dual carriageway bypasses the towns of
Nesebar,
Aheloy and
Pomorie from the west and passes through the
Sarafovo neighbourhood of Burgas. It crosses the entire city from north to south, passes east of
Lake Mandrensko and, again as a single carriageway, continues through the village of
Marinka, and gradually enters the
Bosna Ridge — the northernmost part of the
Strandzha mountain range. Maintaining its southern direction, the road passes through the village of
Krushevets, descends into the valley of the
Mladezhka reka in
Strandzha Nature Park and at the village of
Zvezdets ascends another ridge of Strandzha. The I-9 then descends into the deep valley of the river
Veleka, crosses the river and turns southeast, reaching the town of
Malko Tarnovo. After the town the road turns sharply west and in 7.3 km reaches its terminus at the
Bulgaria–Turkey border at the Malko Tarnovo checkpoint. == References ==