RWP TRAINING STUDY GUIDE
Absolute Block - Answer -An absolute block is a section of track that shall not be
occupied by more than 1 train or track equipment
Adjacent Track(s) - Answer -The track(s) next and parallel with the track where you are
located
Advanced Mobile Flagger(AMF) - Answer -A watchman/lookout whose duty is to
verbally warn Rail Vehicle Operators of Roadway Workers on the track ahead. AMF's
are required to be RWP lvl 2 or 4 qualified.
Ballast - Answer -The coarse gravel laid to form a bed for a railroad, for the purpose of
holding track in line and surface
Block - Answer -A length of track with defined limits on which train movements are
governed by the automatic train protection signaling system or by instruction from Rail
Operations Control Center (ROCC)
Chain Marker - Answer -A survey stationing marker located every chain along the
tracks identifying the distance, in multiples of 100 ft, to the middle of the Metro Center
platform(or the most inbound end of the rail line, if the line does not pass through Metro
Center). Track locations are expressed to the nearest foot by a letter representing the
line, the track number, a hyphen, the nearest chain marker inbound from the location, a
plus sign and the number of feet from that chain marker
Clear - Answer -1.A term used in conjunction with a definite action so as to release
control from one person to another
2. The state of a controlled signal when the proceed/lunar aspect is displayed
3. While on mainline, safely outside the dynamic outline of a train or clearance envelope
for trains or Rail equipment on the active track
4. Safely away from the moving parts of a track switch or electrical circuit
5. Beyond an identified location
6. It SHALL NOT be used in conjunction with radio communications as a means to
respond to a directive
, Collector Shoe - Answer -The carborne device designed to slide on the third rail to pick
up DC propulsion current.
Contractor - Answer -A person or business entity that is hired by WMATA to perform
work, but is not an employee of WMATA
Controller - Answer -A person with the authority for controlling mainline operations
Crossover - Answer -Switches and tracks arranged to provide a route from one track to
another
Derail Device - Answer -A fixed or portable safety device designed to guide rail vehicles
off the track. The device is used for protection and collision avoidance
Designee - Answer -Any person assigned by a manager to act on their behalf
Dynamic Envelope - Answer -The clearance required for a rail vehicle to negotiate the
system without coming into undesired contract with the infrastructure. The tolerances
associated with the dynamic envelope clearance includes considerations for the
combinations of loading, lateral motion, or potential suspension failure that can occur as
part of normal operations.
Advanced Mobile Flagging - Answer -The use of a Watchman or Lookout assigned to a
work crew in conjunction with an additional flagger positioned at the station in advance
of the Mobile Work Crews
Advanced Watchman/Lookout - Answer -A qualified watchman/lookout who is, in
addition to the work zone, watchman/lookout. They shall always be within sight and
audible warning of the next preceding lookout. The sole duty of advanced watchman is
to warn the work zone watchman of the approach of trains or rail equipment
Ample Time - Answer -Requires workers to be in a position of safety not less than 15
seconds before a train or rail equipment moving at the max speed authorized on that
track, can pass the location of the Roadway Worker; or sufficient levels of protection
that permit workers time to clear the tracks without urgent movement
Emergency - Answer -Any condition which can or has resulted in harm to customers or
employees; damage to equipment or property; a service disruption' or any combination
of these circumstances.
Energized - Answer -When 3rd rail power is on
Escort - Answer -A WMATA employee responsible for the safe movement of personnel
through and to non-roadway work areas and facilities, and must comply with all WMATA
policies and procedures
Absolute Block - Answer -An absolute block is a section of track that shall not be
occupied by more than 1 train or track equipment
Adjacent Track(s) - Answer -The track(s) next and parallel with the track where you are
located
Advanced Mobile Flagger(AMF) - Answer -A watchman/lookout whose duty is to
verbally warn Rail Vehicle Operators of Roadway Workers on the track ahead. AMF's
are required to be RWP lvl 2 or 4 qualified.
Ballast - Answer -The coarse gravel laid to form a bed for a railroad, for the purpose of
holding track in line and surface
Block - Answer -A length of track with defined limits on which train movements are
governed by the automatic train protection signaling system or by instruction from Rail
Operations Control Center (ROCC)
Chain Marker - Answer -A survey stationing marker located every chain along the
tracks identifying the distance, in multiples of 100 ft, to the middle of the Metro Center
platform(or the most inbound end of the rail line, if the line does not pass through Metro
Center). Track locations are expressed to the nearest foot by a letter representing the
line, the track number, a hyphen, the nearest chain marker inbound from the location, a
plus sign and the number of feet from that chain marker
Clear - Answer -1.A term used in conjunction with a definite action so as to release
control from one person to another
2. The state of a controlled signal when the proceed/lunar aspect is displayed
3. While on mainline, safely outside the dynamic outline of a train or clearance envelope
for trains or Rail equipment on the active track
4. Safely away from the moving parts of a track switch or electrical circuit
5. Beyond an identified location
6. It SHALL NOT be used in conjunction with radio communications as a means to
respond to a directive
, Collector Shoe - Answer -The carborne device designed to slide on the third rail to pick
up DC propulsion current.
Contractor - Answer -A person or business entity that is hired by WMATA to perform
work, but is not an employee of WMATA
Controller - Answer -A person with the authority for controlling mainline operations
Crossover - Answer -Switches and tracks arranged to provide a route from one track to
another
Derail Device - Answer -A fixed or portable safety device designed to guide rail vehicles
off the track. The device is used for protection and collision avoidance
Designee - Answer -Any person assigned by a manager to act on their behalf
Dynamic Envelope - Answer -The clearance required for a rail vehicle to negotiate the
system without coming into undesired contract with the infrastructure. The tolerances
associated with the dynamic envelope clearance includes considerations for the
combinations of loading, lateral motion, or potential suspension failure that can occur as
part of normal operations.
Advanced Mobile Flagging - Answer -The use of a Watchman or Lookout assigned to a
work crew in conjunction with an additional flagger positioned at the station in advance
of the Mobile Work Crews
Advanced Watchman/Lookout - Answer -A qualified watchman/lookout who is, in
addition to the work zone, watchman/lookout. They shall always be within sight and
audible warning of the next preceding lookout. The sole duty of advanced watchman is
to warn the work zone watchman of the approach of trains or rail equipment
Ample Time - Answer -Requires workers to be in a position of safety not less than 15
seconds before a train or rail equipment moving at the max speed authorized on that
track, can pass the location of the Roadway Worker; or sufficient levels of protection
that permit workers time to clear the tracks without urgent movement
Emergency - Answer -Any condition which can or has resulted in harm to customers or
employees; damage to equipment or property; a service disruption' or any combination
of these circumstances.
Energized - Answer -When 3rd rail power is on
Escort - Answer -A WMATA employee responsible for the safe movement of personnel
through and to non-roadway work areas and facilities, and must comply with all WMATA
policies and procedures
