Editing Transport in Bulgaria (section)

=== Sofia Metro ===
{{Main|Sofia Metro}}
[[File:Patriarh Evtimiy metrostation.jpg|thumb|right|[[St. Patriarch Evtimiy Metro Station]]]]
In 1998 the first six kilometres of an often-interrupted 52&nbsp;km standard gauge subway project (the [[Sofia Metro]]) opened in Sofia.<ref name=cp14/> Additional stations were later built, and in 2012 a second line opened.<ref>{{cite web|url=http://www.novinite.com/articles/142795/EC+President,+Bulgarian+PM+Launch+2nd+Sofia+Metro+Line|title=EC President, Bulgarian PM Launch 2nd Sofia Metro Line|publisher=Novinite |date=August 31, 2012|access-date=2016-05-03}}</ref> By April 2015 the total length was 36&nbsp;km with 31 stations and Line 2 [[Sofia Airport Metro Station|serving Sofia Airport]]. In 2016 the expansion of the network continued, as construction works on the third line commenced, and the system reached a total length of 40&nbsp;km, with 35 stations along its two lines.<ref>{{cite news|title=Construction of Sofia subway third line to begin on Jan 20|url=http://wire.seenews.com/news/construction-of-sofia-subway-third-line-to-begin-on-jan-20-509653|access-date=April 13, 2016|publisher=SEE News}}</ref> In 2021, the metro was expanded to 52&nbsp;km total length with 47 stations on 4 lines. Further expansions are expected in the period 2021–2027.<ref>{{cite web|title=Operating Metro|url=https://www.metropolitan.bg/en/scheme/operating-metro|access-date=October 24, 2021}}</ref>