According to WGRZ, the Buffalo area is getting a second Sonic Drive-In location. The first is located in Cheektowaga, the fast food capitol of WNY.
The first Sonic restaurant in the City of Buffalo will be located at the intersection of Elmwood and Hertel and might be under construction as soon as December.
Which, according to WGRZ means they could be serving the public by late spring.
For more info check out the article on wgrz.com.