National Route 22 is a national highway in South Korea connects Jeongeup to Suncheon. It established on 31 August 1971.
History
- August 31, 1971: Designated as National Route 22 YeonggwangâÂÂSuncheon Line under the National Highway Route Designation Decree.
- March 14, 1981: The starting point was extended from "Beopseongpo, Beopseong-myeon, Yeonggwang-gun, Jeollabuk-do" to "Jeongju-eup, Jeongeup-gun, Jeollabuk-do." Accordingly, the line name changed from "YeonggwangâÂÂSuncheon Line" to "JeongjuâÂÂSuncheon Line."
- May 30, 1981: Road zone changed to include the extended 60 km section under the revised Presidential Decree No. 10247.
- August 17, 1981: Opening of 5.01 km section from Yongdeok-ri to Daedeok-ri, Beopseong-myeon, Yeonggwang-gun, upgraded to national highway.
- May 13, 1986: Starting point changed from "Jeongju-eup, Jeongeup-gun, Jeollabuk-do" to "Jeongju-si, Jeollabuk-do."
- January 18, 1994: Expanded and opened 21.4 km road between Dongbok and Gwangcheon (Guam-ri, Dong-myeon, Hwasun-gun â Gwangcheon-ri, Juam-myeon, Seungju-gun).
- July 1, 1996: Starting point changed from "Jeongju-si, Jeollabuk-do" to "Jeongeup-si, Jeollabuk-do." Accordingly, the line name changed to "JeongeupâÂÂSuncheon Line."
- July 22, 1997: Expanded and opened JeongjuâÂÂHeungdeok road section (Jeongil-dong, Jeongeup-si â Dongsari, Heungdeok-myeon, Gochang-gun).
- September 16, 1999: Improved and opened 160 m section at Daegu-ri, Seomyeon, Suncheon-si; abolished 250 m of old section.
- January 1, 2001: Expanded and opened 13.38 km BeopseongâÂÂYeonggwang section (Hwacheon-ri, Beopseong-myeon, Yeonggwang-gun â Hakjeong-ri, Yeonggwang-eup, Yeonggwang-gun); abolished 10.58 km old section.
- January 13, 2003: Opened relocated 2.2 km section (Sincheon-ri, Moryang-myeon, Yeonggwang-gun â Hakjeong-ri, Yeonggwang-eup) due to Bulgap District Agricultural Water Development Project; abolished old section.
- December 1, 2003: Temporary opening of 3.5 km Miljae Tunnel section (Yeonam-ri, Moryang-myeon, Yeonggwang-gun â Geumdeok-ri, Haebo-myeon, Hampyeong-gun) until February 28, 2004.
- April 26, 2004: Expanded and opened HwasunâÂÂDongmyeon section.
- July 5, 2004: Partially opened 1.3 km section (Eubae-ri â Yeonwol-ri, Dongbok-myeon, Hwasun-gun).
- August 20, 2004: Partially opened 5.8 km section (Eubae-ri â Yucheon-ri, Dongbok-myeon, Hwasun-gun).
- November 20, 2004: Temporary opening of 3.5 km Miljae Tunnel section until March 10, 2005.
- September 15, 2005: Expanded and opened 6.5 km section (Baekyong-ri â Bokam-ri, Dong-myeon, Hwasun-gun); abolished 9.0 km section (Yongpo-ri â Bokam-ri).
- October 31, 2005: Expanded and opened 4-lane DongmyeonâÂÂYongpo section.
- January 25, 2006: Partially opened 11.5 km YeonggwangâÂÂHaebo section (Hakjeong-ri, Yeonggwang-eup â Geumdeok-ri, Haebo-myeon, Hampyeong-gun).
- May 3, 2006: Partially opened 1.7 km YeonggwangâÂÂHaebo section (Geumdeok-ri â Haebo-ri, Haebo-myeon, Hampyeong-gun).
- May 31, 2007: Partially opened 5.7 km YeonggwangâÂÂHaebo section (Haebo-ri, Haebo-myeon â Oechi-ri, Wolya-myeon, Hampyeong-gun).
- June 30, 2007: Expanded and opened 10.276 km SeonunsaâÂÂHeungdeok road (Samin-ri, Asan-myeon, Gochang-gun â Heungdeok-ri, Heungdeok-myeon, Gochang-gun); abolished 13.9 km old section.
- September 7, 2007: Expanded and opened 540 m YeonggwangâÂÂHaebo section (Oechi-ri, Wolya-myeon, Hampyeong-gun); abolished 19.34 km old section (Hakjeong-ri, Yeonggwang-eup â Oechi-ri, Wolya-myeon, Hampyeong-gun); Miljae Tunnel fully opened.
- October 25, 2013: Expanded and opened 8-lane GwangjuâÂÂHwasun section.
- November 21, 2014: Expanded and opened 5.7 km HwasunâÂÂGwangju section including Hwasun Tunnel (Daeri Gyori Intersection, Hwasun-eup, Hwasun-gun, Jeollanam-do â Naenam-dong Naeji Intersection, Dong-gu, Gwangju).
- March 27, 2015: Endpoint changed from "Jeongeup City Hall Road Marker, Suseong-dong, Jeongeup-si" to "Yeonjisa Intersection, Yeonji-dong, Jeongeup-si."
- November 20, 2017: Expanded and opened 10.72 km Seungju Bypass (Sinjeon-ri, Seungju-eup, Suncheon-si â Hakgu-ri, Seomyeon, Suncheon-si); abolished 1.25 km section (Sinjeon-ri â Bongdeok-ri, Seungju-eup, Suncheon-si) and 6.72 km section (Seopyeong-ri, Seungju-eup â Daegu-ri, Seomyeon, Suncheon-si).
Main stopovers
North Jeolla Province
South Jeolla Province
Gwangju
South Jeolla Province
Major intersections
- (<span style="color: #00CCFF;">â </span>): Motorway
IS: Intersection, IC: Interchange
References