Related Clues:

• Alternative to air or highway
• World view
• Weather report staple
• Glove compartment item
• Delineate
• Latitude/longitude shower
• Object bitterly
• Plot out
• Tourist's aid
• Rand McNally offering
• Staircase support
• Means of transport
• See 29-Across
• Get a grip on it
• Marsh denizen