Related Clues:

• Cause of a traffic tie-up
• Arrest
• Gradual
• Train station
• Street caution
• ''Not so fast!''
• Wind up
• Telegraphic period
• Decelerate
• Organ part
• NO --- TRAFFIC
• Tedious
• Unhurried
• *Sign ... organ ... telegram
• In one end and out the other, for short