Editing Honam Expressway (section)

== History ==
* '''April 15, 1970''': Construction Begin
* '''December 30, 1970''': [[Daejeon]]-[[Jeonju]] section (79.1&nbsp;km) opened to traffic.
* '''November 14, 1973''': [[Jeonju]]-[[Suncheon]] section (181.6&nbsp;km) opened to traffic.
* '''June 1, 1978''': Begins becoming charged.
* '''April 25, 1983''': Work begins to widen to four lanes in Daejeon-Jeonju Section.
* '''June 30, 1986''': The 4-lane expansion of the Daejeon–Jeonju section was completed.
* '''September 11, 1986''': The 4-lane expansion of the Jeonju–[[Gwangju]] section was completed.
* '''September 1, 1989''': The 4-lane expansion of the section in [[Gwangju]] (W.Gwangju IC-Goseo JCT) was completed.
* '''November 8, 1996''': The 4-lane expansion of the [[Gwangju]]-[[Suncheon]] section was completed.
* '''January 1, 1999''': West Jeonju Interchange (서전주IC) opened to traffic.
* '''August 25, 2001''': Divides between Honam Expressway (Suncheon–Nonsan) to [[Honam Expressway Branch]] (Nonsan-Daejeon)
* '''August 31, 2002''': [[Naejangsan]] IC (내장산IC) opened to traffic.
* '''December 29, 2004''': Dongnim IC (동림IC) opened to traffic.
* '''May 15, 2007''': Sanwol JCT (산월분기점) opened to traffic.
* '''December 17, 2009''': The eight-lane expansion of the Munheung-Goseo section was completed and Munheung JCT (문흥분기점) opened to traffic.
* '''July 20, 2010''': The six-lane expansion of the East Gwangju-Munheung section was completed.
* '''October 27, 2010''': The six, eight-lane{{clarify|date=August 2017}} expansion of the Samnye-Nonsan section was completed.
* '''August 1, 2012''': Motjae Tunnel (못재터널) opened to traffic.
* '''January 20, 2016''': North Gwangsan Interchange (북광산IC) opened to traffic.