Related Clues:

• Add more lanes to
• Expand laterally
• Make big
• Enlarge, as a road
• Ream out
• Make bigger
• Increase in bulk or importance
• Magnify in general way
• Increase in size
• Increase the size
• Grow larger, like business
• Extend in one or more directions
• Grow bigger
• Make bigger, say photo
• Become larger