Translate the following English sentence to French:
"If we are to get a common transport market genuinely up and running, it is important that we should not only have regulations but that these regulations should also, as far as possible, apply to every country."
Si nous voulons faire en sorte que fonctionne réellement le marché commun des transports à l' échelle de l' Union, il est important non seulement que des règles existent, mais que, dans toute la mesure du possible, ces règles nous soient communes.