it means : Last Retweet
LRT stands for lower respiratory tract.
The answer depends on what you mean by LRT.
#LRT Means "Last Retweet" on twitter.
Istanbul LRT was created in 1989.
Pudu LRT station was created in 1996.
Ampang LRT station was created in 1996.
Rumbia LRT Station was created in 2003.
Kadaloor LRT Station was created in 2005.
Tayuman LRT Station was created in 1985.
EDSA LRT Station was created in 1984.
Farmway LRT Station was created in 2007.
Bakau LRT Station was created in 2003.