term1 Definition1term2 Definition2term3 Definition3
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921.3 green / green is :
Name -clear
indication - proceed
9.1.6 flashing yellow over green
Name: approach medium
indication: proceed prepared to pass next to Signal not exceeding 40 mph and be prepared to enter diverging route at prescribed speed.
9.1 .8 yellow over yellow
Name: approach
Indication: proceed prepared to stop at the next signal trains exceeding 30 mph immediately reduce that speed (note: speed is 40 mph for Amtrak and commuter trains)
9.1.1 3 flashing red over yellow
Name: restricting
Indication: proceed at restricted speed
9.1.1 5 red over yellow
Name: stop
Indication: stop
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