Republican road I-9 (Bulgarian:Републикански път I-9) is a first class road in easternBulgaria, serving most of theBulgarian Black Sea Coast. It runs between the village ofDurankulak, at the border withRomania, and theMalko Tarnovo border crossing toTurkey in general direction north-south. The total length of the road is 325.6 km (202.3 mi). Throughout its entire length, road I-9 it is part ofEuropean route E87. In its southernmost section the road runs throughStrandzha Nature Park. The road passes through the provinces ofDobrich,Varna andBurgas.^[1]

Republic Road I-9
Републикански път I-9
I-9 road highlighted in orange
I-9 road atPomorie
Route information
Length	325.6 km (202.3 mi)
Major junctions
From	Durankulak;
To	Malko Tarnovo;
Location
Country	Bulgaria
Major cities	Shabla,Kavarna,Balchik,Albena,Zlatni Pyasatsi,Varna,Byala,Obzor,Slanchev Bryag,Pomorie,Burgas
Highway system
Highways in Bulgaria

The road begins at theBulgaria–Romania border at theDurankulak checkpoint on theBlack Sea and heads south through the easternmost part of the Dobrudzha Plateau of theDanubian Plain. It passes successively through the villages of Durankulak,Vaklino andEzerets and reaches the town ofShabla. The road the turns in a southwest, runs through the villages ofGorun,Poruchik Chunchevo andHadzhi Dimitar and reaches the town ofKavarna, where it turns west. The I-9 next passes through the villages ofBozhurets andTopola, runs north of the town ofBalchik, turns southwest, descends from the Dobrudja Plateau at the village ofObrochishte and reaches the valley of the riverBatova. It continues south along the river valley, passes through the western part of the seaside resort ofAlbena and through the village ofKranevo, reaches the Black Sea coast and enters Varna Province.^[1]

Maintaining southern direction, the road passes successively through the resorts ofGolden Sands andSaints Constantine and Helena, crosses the city ofVarna from east to west, overcomes the channel betweenLake Varna and the Black Sea through theAsparuhov Bridge, ascends the ridge of the Avren Plateau and south of the village ofZvezditsa connects with theCherno More motorway at the latter's Km 9.2. From there, the road continues south along the plateau, passing through the villages ofPriseltsi andBliznatsi, descends the plateau, crosses the riverKamchiya and reaches the village ofStaro Oryahovo. At the village ofRudnik it crosses the northern branck of the Kamchiya Mountain of theBalkan Mountains, descends into the valley of the Fandakliyska reka, crosses the southern branch of the Kamchiya Mountain at the village ofGoritsa, passes through the town ofByala and enters Burgas Province.^[1]

Road I-9 then crosses the riverDvoynitsa, passes through the center of the town ofObzor and the village ofBanya, overcomes the ridge of the Eminska Mountain through the Primorski Pass (450 m) and descends to theBurgas Plain in the northern part of theSunny Beach resort. From here to the city ofBurgas, the road follows the coastline as it passes through the western part of the resort, crosses theHadzhiyska reka and as a four-lanedual carriageway bypasses the towns ofNesebar,Aheloy andPomorie from the west and passes through theSarafovo neighbourhood of Burgas. It crosses the entire city from north to south, passes east ofLake Mandrensko and, again as a single carriageway, continues through the village ofMarinka, and gradually enters theBosna Ridge — the northernmost part of theStrandzha mountain range. Maintaining its southern direction, the road passes through the village ofKrushevets, descends into the valley of theMladezhka reka inStrandzha Nature Park and at the village ofZvezdets ascends another ridge of Strandzha. The I-9 then descends into the deep valley of the riverVeleka, crosses the river and turns southeast, reaching the town ofMalko Tarnovo. After the town the road turns sharply west and in 7.3 km reaches its terminus at theBulgaria–Turkey border at the Malko Tarnovo checkpoint.^[1]

• "A Map of the Republican Road Network".Official Site of the Road Infrastructure Agency (in Bulgarian). Retrieved2 April 2025.
• "List of the Republican Roads in the Republic of Bulgaria"(PDF) (in Bulgarian). Retrieved2 April 2025.