Related Clues:

• Extend beyond (with ''out'')
• Modernize, as a highway
• Protuberate
• Add more lanes to
• Expand laterally
• Enlarge, as a road
• Ream out
• Project (out)
• Stick out like jaw
• This, my God, is 25 down
• Add lanes to, as a highway
• Broaden - enlarge
• Make broader, as a highway
• Grow broad
• Extrude