Possible Clues:

• Martin of 'Ed Wood'
• Arrive with gold carriage
• A four-wheel covered carriage
• Martin of ''Crimes and Misdemeanors''
• Four-wheeled vehicle with two folding hoods
• Old-fashioned four-wheeled covered carriage
• Catch a bus, ignoring limits for older transport
• Come down to earth facing a gold carriage
• To finish 20 across, one's aunt may start to make for the carriage
• Carriage seen during April and August