II-66 road (Bulgaria)

Republic Road I-66
Републикански път I-66
Route information
Length	127.6 km (79.3 mi)
Major junctions
From	Km 400.7 of I-6, near Sliven
To	Km  253.1 of I-8, Plovdiv
Location
Country	Bulgaria
Towns	Sliven, Nova Zagora, Stara Zagora, Chirpan
Highway system
Highways in Bulgaria

Republican Road II-66 (Bulgarian: Републикански път II-66) is a 2nd class road in Bulgaria, running in general direction northeast–southwest through the territory of Sliven, Stara Zagora and Plovdiv Provinces.^[1] Its length is 127.6 km.