Track gauge in Estonia
mainly uses a track gauge of or, inherited from the Russian Empire times.;Soviet Union
Estonia converted relatively late from the Soviet Union's redefinition of the gauge from to.
;Post-independence
Since post-independence all renovated tracks owned by Eesti Raudtee have gauge. Other tracks have gauge 1,520 mm.There has been a proposal from the EU to build a standard gauge railway from Tallinn to Warsaw, the Rail Baltica.Historically Estonia had narrow-gauge installations.
Tallinn tram has a track gauge of.