Originally posted by johnny ola:
Anyone that lives in a major city that has Els, knows how the supports stand out. It appears that the El train is right outside the restaurant by the volume, but when Mike is outside Louies, there is no visible sign of any El train supports. 
Thats not entirely true. You have to look carefully (in the scene when Mike's car first pulls up to the restaurant) to see one of the "el" supports.
The restaurant used to film that scene was really called "Luna Restaurant". It closed a year after the movie was filmed, and its now a storefront church.
The address is 3510 White Plains Road, Bronx, NY (just off Gun Hill Road). Its right under the tracks on which the numbers "2" and "5" trains run.
