Related Clues:

• Make broader
• Expand, as a road
• Stick out like a sore thumb
• Ream
• Add a lane to, perhaps
• Project, with "out"
• Add a lane to
• Expand, as a highway
• Add lanes to
• Protrude, with "out"
• Make wider
• Dilate
• Open up
• Improve, as a highway
• Protrusion