Possible Clues:

• The Autobahn doesn't have one
• Far-right part of a highway
• Is lethargic on the athletics course in the inside track perhaps
• Provision for trucks
• Far right, on a highway
• The far right, in a way
• Far right of a highway
• It's to the far right on freeways
• Outside part of motorway
• One of the birds in Slane is down the road on the left hand side