PoliceSpeak

PoliceSpeak is a constructed language for police and emergency service cooperation at the Channel Tunnel, using a limited vocabulary of French and English for ease of communication between workers with different native languages.^[1]

See also

Seaspeak
Controlled natural language
Pécrot rail crash, a 2001 Belgian rail accident partially caused by a language barrier

References

^ Edward Johnson (2000). "Talking across Frontiers" (PDF). Proceedings of the International Conference on European Cross Border Cooperation: Lessons for and from Ireland. http://www.prolingua.co.uk/talking.pdf.