Related Clues:

• Attention getter
• Page
• Intercom sound
• Traffic jam noise
• Pager signal
• Part of the city cacophony
• Road Runner's taunt halved
• Honk
• Traffic sound
• Tugboat signal
• When repeated, the Road Runner's cry
• Gridlock sound
• Gridlock noise
• Traffic noise
• "Don't you dare cross into my lane!"