Related Clues:

• Stake, job or mail
• Kind of fence or striking workers
• Group of workers on strike outside place of employment
• Bar or banister
• Workers on strike on protest outside workplace
• Complain strongly or part of fence
• Spot the mail
• Track position
• Put a letter in the box - stop it
• The Iron Horse road
• The permanent way
• Type of wooden fence
• Might the bird complain so bitterly over the sleepers?
• A knight in mail was not in this
• That's the bird that gets under the train