Lionel train track scale question

[golfman4949]

What scale is this Lionel train track? Thanks.

[thetoypeddler1]

They are O-gauge track sections probably 1960's or 1950's mfg. ?

[stereocraig]

I'm pretty sure that the longer ones are "O" gauge and the shorter ones are ".027"

"O" gauge should be taller, too.