Rules 81 -155

Ac Study Guide

What must employees do if there is a known condition that will delay a train or prevent it from operating at maximum authorized speed?

Employees must promptly advise the Movement Bureau.

How long are timetable schedules in effect?

Are in effect for twelve hours after their time at each station.

What happens to a regular train more than twelve hours behind its scheduled arriving or leaving time and how may it proceed?

lose both right and schedule. Thereafter, they can proceed only as provided by Rule 97.

On single track where rule 251 is in effect, when must inferior trains be clear of the main track?

Must clear the time and block of opposing regular trains by not less than five minutes unless otherwise provided by Form L.

What must an inferior train do that is unable to clear the main track?

A crew member must protect the head end as provided by Rule 99.

On single track where rule 251 is in effect, when may a train leave a station in advance of a scheduled leaving time?

A train must not leave a station in advance of its scheduled leaving time.

How may a train leave a station in advance of its scheduled leaving time?

On two or more tracks where rule 251 is in effect, or where rule 261 is in effect, a train may operate in advance of its scheduled leaving time except at a passenger station where it is scheduled to receive passengers. At passenger stations, verbal permission from a representative of the GST will be the authority for a train to depart.

How are regular trains designated ?

By both schedule and engine number.

How are extra trains designated?

By engine number and direction.

How are trains identified?

By the leading engine number.

On single track where rule 251 is in effect, where may extra trains be run without form L authority?

Within yard limits.

On two or more tracks where Rule 251 is in effect or where Rule 261 is in effect, what is the authority for a train to proceed as an extra?

Signal indication or permission from the Block Operator.

When required to protect the train with flag protection, what are the minimum distances that protection must be provided?

Manual Block - 1200 ft

Automatic Block - 1500 ft

What else must be taken into consideration in addition to the minimum distance?

The grade, curvature of the track, weather conditions sight distance and other conditions which would affect the manner in which protection must be afforded.

What must be done if a flagman is recalled and the safety to the train permits?

The flagman may return to the train leaving a lighted fusee.

Where manual block signal system rules are in effect, Rule 99 will apply for both following and opposing movements when a disabled train is awaiting the arrival of an assisting train.

Within designated limits specified in the timetable, the main track may be used by proper signal indication or permission of the block operator without protecting against following movements on the same track.

Explain Rule 100

Within designated limits specified in the timetable, the main track may be used by proper signal indication or permission of the block operator without protecting against following movements on the same track.

Where manual block signal system rules are in effect, Rule 99 will apply for following movements when a disabled train is awaiting the arrival of an assisting train.

What is the exception to rule 100?

Where manual block signal system rules are in effect, Rule 99 will apply for following movements when a disabled train is awaiting the arrival of an assisting train.

What must be done if a train stops or becomes disabled under unusual circumstances?

Adjacent tracks, as well as tracks of other railroads which are liable to be obstructed, must be protected at once in both directions until it is ascertained that they are safe and clear for the movement of trains.

An immediate radio transmission must be made to the block operator and to other trains operating in the area.

How must crew members be located when cars are shoved or pushed?

In a conspicuous position on the leading car to determine that the track in front of them is clear.

What must be done if communication is loss or interrupted at any time throughout the duration of the move, or if there is doubt as to the meaning of a transmission?

The movement must be stopped immediately and must not resume until communications has been re-established or the misunderstanding has been resolved.

Where must cars left on tracks adjacent to public crossings at grade be placed?

As far from the the crossing as conditions permit so the visibility is not obstructed.

What does the sign “Stop - Tank Car Connected” signify?

Tank cars are connected to stationary pipes for loading or unloading. Cars must not be coupled to or moved. Other cars must not be placed on the same track so as to obstruct the view of the sign without first notifying the person who placed the sign.

When are conductors and crew members not responsible for switches and derails used by them?

When utility assistant conductors are stationed.

What is the normal position of a derail?

Set to derail.

At locations where equipment is laid up over hand operated switches or automatic safety switches, what must be done before movement is attempted?

Crew members must check the switches and know they are in proper position before movement is attempted.

When may a switch be left open for a following train?

Unless in charge of a crew member of that train.

When may a train foul a track?

until (after) permission is received and switches connected with the movement are properly lined.

How must movements be made through a crossover ?

Both switches of a crossover must be open before a train or engine stars to make a crossover movement, and the movement must be completed before either switch is restored to normal position.

Where trains are required to report clear of the main track, what must that report include?

That the main track switch has been lined normal and locked.

What is the normal position of a main track switch ?

Lined for the main track.

Unless otherwise provided how must trains approach switches where utility assistant conductors are stationed?

At Restricted Speed.

How is a spring switch identified?

A white disk with the letters SS in black.

What must be done if a trailing movement through a spring switch in springing position is stopped before the movement is complete?

Slack must not be taken or a reverse movement made until the switch is properly lined by hand.

What must be done with automatic safety switches or spring switches in periods of ice and snow?

They must be lined by hand for trailing point moves.

Unless otherwise provided, what is the maximum authorized speed on a secondary track ?

Must not exceed Restricting Speed unless otherwise provided.

When may trains operate through water?

Except in an emergency and only when authorized by the GST, when authorized, movements may be made through water when its depth does not exceed 2 inches above the top of the rail. The speed of the train must not exceed 2 miles per hour.

When the engineer is operating from other than the leading end and movement is being made against a fixed obstruction, what must be done?

Must make a safety stop two car lengths short of the obstruction, and after resuming not exceed 2mph.

What must be done when a train crosses over to or obstructs another track ?

Unless otherwise provided, it must first be protected as prescribed by Rule 99.