Related Clues:

• Draw the route again
• Plan a different route
• Update to reflect new routes
• Amend 40-Across
• Improve a chart
• Draw a plan again
• Update, as a 55-Down
• Update, cartographer-style
• Update, as a cartographer might
• Amend an atlas
• Update land boundaries
• Change function of key cut without master
• Lay out differently, in a way
• Change keyboard arrangement of rock group with a piano
• Update, as land charts