Securely fasten with rope
Else clues• Bind
• Bottleneck
• Commuting hassle
• Entanglement
• Gridlock
• Gridlock consequence
• Highway headache
• Highway woe
• Hinder
• Hog, as a phone line
• Jam
• Keep busy
• Keep occupied
• Knot
• Linkage
• Monopolize
• Moor a ship
• Occupy
• Render unavailable
• Slowdown
• Traffic accident consequence
• Traffic congestion
• Traffic delay
• Traffic jam
• Traffic jam, e.g.
• Traffic problem
• Traffic snarl
• Traffic trouble
• Use all the resources, say e.g.