You're on a motorway. Your lorry has a maximum authorised mass of more than 7.5 tonnes. What does this sign mean to you? You're on a motorway. Your lorry has a maximum authorised mass of more than 7.5 tonnes. What does this sign mean to you?

• Possible answers:

   
• A. You mustn't use the right-hand lane
• B. You can only use the right-hand lane
• C. You can't leave the motorway at this junction
• D. You can use the middle or right-hand lane