TIEUP

Render unavailable

• 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

• Securely fasten with rope

• 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.