Possible Clues:

• One taking constitutional way to overturn monarch
• Bird seen on street in pushchair
• One is in no hurry to make the street smooth
• One walking to get stone device for shaping hair
• Square 50s retro style about buggy
• Person walking slowly along street with posh car following
• Somebody walking in street in front of posh car
• Buggy and extremely smart posh car
• Tot’s transport
• Curb cut beneficiary