Finnish Hornets take off from roads as part of the training.
The following video of Finnish Air Force F-18s departing from a public road was filmed during Ex. Warkaus 2011 at on Highway 5 in Joroinen Finland. Such kind of training, has been part of the standard training conducted mainly in Central, Eastern and Northern Europe since the Cold War.
With the dissolvement of the Warsaw Pact, highway take-offs and landings have become less frequent. However, the threat of Russian bombers violating the airspace of Baltic countries requiring QRA intervention is still alive.
North Korean Migs and Belarusian ones conduct highway operations every now and then.