BNSF
Page | 1 Pass the BNSF exam 20252026 with confidence. This resource features
guide in areas like: on-track safety, communication procedures, worker
responsibilities, and hazard awareness. This study guide is ideal for workers
preparing for RWP certification to stay safe and job-ready.
ABS ...... ANSWER .....Automatic Block Signal System
Absolute Block ...... ANSWER .....A length of track that no train is permitted to
enter while the track is occupied by another train.
Absolute Signal ...... ANSWER .....A block or interlocking signal without a
number plate, or designated by an A marker.
ATS ...... ANSWER .....Automatic Train stop system
Automatic Block Signal system ...... ANSWER .....a series of consecutive blocks
governed by block signals, cab signals, or both, the signals are activated y. train
for by certain conditions that affect the block use.
Block ...... ANSWER .....A length of track: between consecutive block signals/
between block signal and the end of a block system / or in ATC limits the use of
which is governed by cab signals and/or block signals
Automatic Train Control ATC ...... ANSWER .....a system to enforce compliance
with cab and wayside signal indications. if the train exceeds a predetermined
, speed for a given signal indication and speed is not reduced at a sufficient rate,
brakes are automatically applied.
Page | 2 Automatic train stop system ATS ...... ANSWER .....a system activated by
wayside inductors positioned to apply the brakes automatically until the train
stops
Block Signal ...... ANSWER .....A fixed signal at the entrance of a block that
governs trains entering and using that block
Block system ...... ANSWER .....a back or series of consecutive blocks within
ABS ACS CTC of interlocking limits
Centralized traffic control CTC ...... ANSWER .....a block system that uses block
signals indications to authorize train movements
Control operator ...... ANSWER .....Employee assigned to operate a CTC or
interlocking control machine or authorized to grant track permits
Control Point ...... ANSWER .....a locations of absolute signals controlled by a
control operator
Controlled siding ...... ANSWER .....a siding within CTC of interlocking limits
where a signal indication authorizes the sidings use
Controlled signal ...... ANSWER .....an absolute signal controlled by a control
operator