The local highways of South Korea in the Gyeonggi Province are numbered in the 500s as the first digit stands for the main province of its manager and the longest being the SeosinJanghowon Line.
In South Korea, highways that are managed by the provincial governments are called Local highways (Korean: ; Hanja: ; RR: Jibangdo). Gyeonggi Province: 300s Usually route numbers have 2~4 digits; the first digit stands for the main province of its manager. A lot of Local highways of Gyeonggi Province were changed in 1996 and 2005. (#CCDDCC) is origin or terminus that is not located in Gyeonggi Province. 301 Number Local Route 301 Name UjeongJeongwang Line 302 Local Route 302 IhwaGeumgwang Line
DeoksanOsan Line 305 Local Route 305 SeosinChoji Line 306 Local Route 306 YanggamYulmyeon Line
IljukEumseong Line 309 Local Route 309 PoseungGwacheon Line 310 Local Route 310 GeumuiBongmyeong Line 311 Local Route 311 GalgotYeongdeok Line 313 Local Route 313 PaengseongSasa Line 314 Local Route 314 JeongnamAnseong Line 315 Local Route 315 PaengseongGuseong Line 317 Local Route 317 PyeongtaekGiheung Line 318 Local Route 318 SeosinJanghowon Line 321 Local Route 321 GongdoOpo Line 322 Local Route 322 DaebuAnnyeong Line 325 Local Route 325 GeumgwangToechon Line
JincheonAnseong Line 329 Local Route 329 IljukDaewol Line
MugeukYongmun Line 330 Local Route 330 GojanMokgam Line 333 Local Route 333 YulmyeonGangha Line
CheongcheonYulmyeon Line 334 Local Route 334 HaguiGeumgok Line 337 Local Route 337 JanghowonMohyeon Line 338 Local Route 338 SeongnamToechon Line 341 Local Route 341 GanamDanwol Line 342 Local Route 342 SeongnamYangdong Line 345 Local Route 345 JeomdongDanwol Line 349 Local Route 349 GangcheonCheongun Line
MunmakDanwol Line 352 Local Route 352 WabuOkcheon Line 355 Local Route 355 YangchonHaseong Line 356 Local Route 356 WolgotDongsan Line 357 Local Route 357 DeogyangGyoha Line 358 Local Route 358 GimpoGwansan Line 359 Local Route 359 IlsanMunsan Line 360 Local Route 360 TongildongsanGasan Line 363 Local Route 363 HwajeonTanhyeon Line 364 Local Route 364 MunsanGapyeong Line 367 Local Route 367 ByeokjeJangnam Line 368 Local Route 368 CheongsanJeo kmok Line 371 Local Route 371 OgeumJungmyeon Line 372 Local Route 372 GunnaeBaegun Line
GwangdeokMaengdae Line 375 Local Route 375 GwangjeokMisan Line 376 Local Route 376 JungmyeonGwanin Line 379 Local Route 379 JunaeSinbuk Line 383 Local Route 383 JigeumJinjeop Line 387 Local Route 387 HwadoGwanin Line
NaechonCheolwon Line 391 Local Route 391 YangseoHwaak Line
GyeonggangSanae Line 
