Findings:

• Grand Central Parkway
• Eastern Parkway
• Nanaimo Parkway
• parkway
• Pennyrile Parkway
• Baltimore-Washington Parkway
• Utopia Parkway
• Blue Ridge Parkway
• Garden State Parkway
• Belt Parkway
• Western Kentucky Parkway
• Suitland Parkway
• Parkway Pyro (user)
• Don Valley Parkway
• Arroyo Seco Parkway
• Hutchinson River Parkway
• Marine Parkway Bridge
• parkway (user)
• Merritt Parkway

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