It works on Primo software and up (NextGen), on HERE and TomTom Maps.
Note that fsp go in map folder, while hsp go in the directory \content\histspeed, ye they have the same function which is calculating smart routes, allowing to avoid traffic on certain hours.
Biggest issue: never seen more then files for about 10 countries, so if your country is missing, ...
On the up side, new files come every month.