Solutions, Graded to Pass
Absolute Block - ✔✔ An absolute block is a section of track that shall not be
occupied by more than 1 train or track equipment
Adjacent Track(s) - ✔✔ The track(s) next and parallel with the track where you
are located
Advanced Mobile Flagger(AMF) - ✔✔ 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.
Advanced Mobile Flagging - ✔✔ 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 - ✔✔ 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 - ✔✔ 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
Ballast - ✔✔ The coarse gravel laid to form a bed for a railroad, for the purpose
of holding track in line and surface
, Block - ✔✔ 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 - ✔✔ 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 - ✔✔ 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