What's the purpose of an emergency area on a motorway? What's the purpose of an emergency area on a motorway?

• Possible answers:

   
• A. It's for use in case of emergency or breakdown
• B. It's for use if you think you'll be involved in a road-rage incident
• C. It's for a police patrol to park and watch traffic
• D. It's for construction and road workers to store emergency equipment