As previously reported in the Evening Times, a row kicked off in August when workmen removed one of the cast-iron arches that grace the South Side station, sparking an outcry on social media.
The arch was removed as part of the city’s £300million plan to modernise the underground network ahead of the 2014 Commonwealth Games.
After a campaign to have the arch returned, backed by the Twitter hashtag #savecessnocksign, Strathclyde Partnership for Transport (SPT) agreed to return it rather than move it to the Riverside Museum.
Avril Williamson, who started the Twitter campaign, said: "I'm so pleased the sign has been returned to its rightful place.
"It was strange getting used to Cessnock without it there, it was like a missing tooth.
"I was amazed at the reaction to the Twitter campaign because I basically started it by tweeting about my annoyance.
"Before I knew it there were so many people getting involved. All of them, including our local MSP Nicola Sturgeon, played a big part on getting the sign back.
"It is great she cares about her local constituents enough to get involved in such a local issue, particularly with all the other work she has to do as Scotland's Deputy First Minister."
Another person who was thrilled to see the arch back is Lachie Munro of Glasgow-based Munro Associates, who designed it in the 1980s.
He said: "It was a blow when the arch was removed but to see it back is wonderful. I was touched by the number of people who wanted it returned."
When SPT announced it was to remove the arches, it described them as having no architectural significance and said they were a pastiche of the work of Alexander 'Greek' Thomson and Charles Rennie Mackintosh.
The arch will be re-painted by the end of the week, SPT said.