D.100 (Turkey)

State road D.100
Route information
Part of E 80 / AH 1 / AH 5 / AH 85
Length	1,788 km (1,111 mi)
Major junctions
West end	A 4 at the Bulgarian border near Kapıkule
East end	Road 32 at the Iranian border near Gürbulak
Location
Country	Turkey
Highway system
Highways in Turkey Motorways List State Highways List

State road D-100 in Kadıköy, Istanbul seen westwards

D.100 is a west-to-east state road in Turkey. It starts at Kapıkule, the Bulgarian border check point, and ends in Gürbulak, the Iranian border check point. Running all the way from west to east, it crosses most of the north-to-south state roads, including the D.650, D.750, D.850 and D.950.

Itinerary

Province	Location	Distance from Kapıkule (km)	Distance from Kapıkule (mile)	Distance from Gürbulak (km)	Distance from Gürbulak (mile)
Edirne Province
	Kapıkule (Bulgarian border) Maritsa motorway	0	0	1788	1111
	Edirne	23	14	1765	1097
Kırklareli Province	Lüleburgaz	95	59	1693	1052
Tekirdağ Province	Çorlu	142	88	1646	1023
Istanbul Province	Istanbul	253	157	1535	954
Kocaeli Province
	Gebze	313	194	1475	917
	İzmit	364	226	1426	884
Sakarya Province	Adapazarı	401	249	1387	862
Bolu Province
	Bolu	515	320	1273	791
	Gerede	568	353	1220	758
Çankırı Province	Ilgaz	705	438	1083	673
Çorum Province	Osmancık	815	506	973	605
Amasya Province
	Merzifon	873	546	910	565
	Amasya	924	574	864	536
Tokat Province	Niksar	1030	641	758	471
Sivas Province	Koyulhisar (junction)	1117	694	671	417
Erzincan Province	Erzincan	1288	800	500	311
Erzurum Province
	Aşkale	1423	884	365	227
	Erzurum	1477	918	311	193
	Horasan	1561	970	227	141
Ağrı Province
	Ağrı	1659	1030	129	80
	Doğubayazıt	1751	1089	35	22
	Gürbulak (Iranian border) Road 32	1788	1111	0	0

Helicopter crash

See also: Swan Aviation Sikorsky S-76 Crash

On March 10, 2017, a Sikorsky S-76 helicopter owned by Swan Aviation hit the antenna of the Endem TV Tower in heavy fog and crashed onto the State Road D100. All seven people on board were killed.