A conductor receives a track warrant to operate from MP 100 to MP 150. The train arrives at MP 150 and the conductor needs to proceed further. The conductor must:

1. Continue past MP 150 at restricted speed until contacting the dispatcher
2. Not proceed beyond MP 150 until receiving a new or amended track warrant from the dispatcher
3. Stop for 5 minutes at MP 150, then proceed at restricted speed for up to 2 miles
4. Ask the engineer to sound the horn and proceed cautiously