Expressway No.251
Honam Expressway Branch Line 호남고속도로의지선
Route information
Length	58.5 km (36.4 mi)
Existed	1970–present
Major junctions
South end	Nonsan, Chungnam
North end	Daedeok, Daejeon
Location
Country	South Korea
Highway system
Highway systems of South Korea Expressways National Local

The Honam Expressway Branch (Korean: 호남고속도로의지선) is an expressway in South Korea, connecting Nonsan to Daejeon. The expressway's route number is 251.

This route was origin way of Honam Expressway until August 2001.

• September 28, 2001 : Gyeryong IC open
• July 25, 2013 : Yangchon Hi-pass IC open

• 4

• 53.97 km

• 100 km/h

• IC: Interchange, JC: Junction, SA: Service Area, TG:Tollgate

No.	Name	Korean Name	Hanja Name	Connections	Distance		Notes	Location
Connected directly with Honam Expressway, Nonsan–Cheonan Expressway
1	Nonsan JC	논산분기점	論山分岐點	Honam Expressway Nonsan-Cheonan Expressway	-	0.00		Nonsan	Chungnam
2	Nonsan IC	논산나들목	論山나들목	Local Route 68	5.52	5.52
2-1	Yangchon Hi-pass IC	양촌(하이패스)나들목	陽村나들목	Local Route 68	9.85	15.37	Hi-pass Only
SA	Beolgok SA	벌곡휴게소	筏谷休憩所
3	Gyeryong IC	계룡나들목	鷄龍나들목	National Route 1 National Route 4 Gyeryong-daero	12.58	27.95		Gyeryong
4	W.Daejeon JC	서대전분기점	西大田岐點	Daejeon Southern Ring Expressway	6.43	34.38		Yuseong	Daejeon
5	Yuseong IC	유성나들목	儒城나들목	National Route 32 World Cup-daero	8.43	42.81
6	Yuseong JC	유성분기점	儒城分岐點	Dangjin-Yeongdeok Expressway	2.89	45.70
7	N.Daejeon IC (Daedeok Valley)	북대전나들목	北大田나들목	Local Route 32	4.61	50.31	near of Daedeok Valley
8	Hoedeok JC	회덕분기점	懷德分岐點	Gyeongbu Expressway( AH 1)	3.66	53.97

• Roads and expressways in South Korea
• Transportation in South Korea

• MOLIT South Korean Government Transport Department