If Sprint's NV Schedule holds for May, the maps below show 627 LTE sites that should come live in May 2012. These maps does not include 3G only sites that will go live in the same period. It's possible that sites will go also live in Boston, Chicago and DC too dependent on backhaul and 4G data center connections.
S4GRU Sponsors can view interactive versions of these maps by following this link. Also, Sponsors can follow along as we show progress throughout the month in our NV Complete Sites thread.