Signal Aspects: NORAC

Signal Aspects -- NORAC


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From NORAC Operating Rules, 5th Edition, Effective 1 January 1995. Comments regarding older usage welcome.

NORAC Member Railroads

Full Members

Bay Colony Railroad (BCLR)
Consolidated Rail Corporation (Conrail)
CP Rail System (CP)
National Railroad Passenger Corporation (Amtrak)
New Jersey Transit Rail Operations (NJT)
New York, Susquehanna and Western Railroad Company (NYS&W)
Providence and Worcester Railroad Company (P&W)
Southeastern Pennsylvania Transportation Authority (SEPTA)
Springfield Terminal Railway Company

Associate Members

Adirondack Scenic Railroad
Cape May Seashore Lines
Central Railroad Company of Indianapolis
Connecticut Central Railroad (CCCL)
Genesee Valley Transportation
Maine Coast Railroad
Massachusetts Central Railroad (MCER)
Milford-Bennington Railroad Company
Morristown and Erie Railway (M&E)
Mountain Division Railway Corporation
National Park Service (NPS)
North Shore Railroad (NSHR)
Owego & Hartford Railway, Incorporated
Pittsburg & Shawmut Railroad Company
Pocono Northeast Railway (PNER)
Reading Blue Mountain and Northern Railroad (RBM&N)
Somerset Railroad (SOM)

Cab Signal Aspects

Fixed Signal Name Conforming Cab Signal Aspect Cab Signal Name
Clear
Cab Speed
Clear
Cab Speed Cab Speed
Cab Speed
Approach Limited
Limited Clear
Approach Medium
Advance Approach
Medium Clear
Approach Medium
Approach Slow
Approach
Medium Approach
Approach
Slow Clear
Slow Approach
Restricting
Stop & Proceed
Stop Signal
Restricting

Fixed Signal Aspects

Rule # Aspect(s) Aspect Name

Indication
280a Clear to Next Interlocking

Trains without operative cab signals must proceed on fixed signal indication, not exceeding 79 MPH, and approach next interlocking signal prepared to stop.

280a Approach Normal

Trains without operative cab signals must proceed on fixed signal indication not exceeding 79 MPH.

281         g/g  w/gg Clear

Proceed not exceeding Normal Speed.

281a Cab Speed

Proceed in accordance with cab signal indication. Reduce speed to not exceeding 80 MPH when Cab Speed cab signal aspect is received. Reduce speed to not exceeding Limited Speed when Approach Medium cab signal aspect is received. Trains not equipped with operative cab signals must not exceed 79 MPH.
281b      y/gf  <wf/gg Approach Limited

Proceed approaching the next signal at Limited Speed.

281c      gf/r gf  gg/wf Limited Clear

Proceed at Limited Speed until entire train clears all interlocking or spring switches, then proceed at Normal Speed.

In CSS territory with fixed automatic block signals, trains not equipped with operative cab signals must approach the next signal at Limited Speed.

282      y/g  <w/gg Approach Medium

Proceed approaching next signal at Medium Speed.

282a    Advance Approach

Proceed prepared to stop at the second signal. Trains exceeding Limited Speed must begin reduction to Limited Speed as soon as engine passes the Advance Approach signal.

283      g/rf  gg/w Medium Clear

Proceed at Medium Speed until entire train clears all interlocking or spring switches, then proceed at Normal Speed.

In CSS territory with fixed automatic block signals, trains not equipped with operative cab signals must approach the next signal at Medium Speed.

283a gg/<w Medium Approach Medium

Proceed at Medium Speed until entire train clears all interlocking or spring switches, then approach the next signal at Medium Speed.

284       y/y  y>/gg Approach Slow

Proceed approaching next signal at Slow Speed. Trains exceeding Medium Speed must begin reduction to Medium Speed as soon as engine passes the Approach Slow signal.

285         w/yy Approach

Proceed prepared to stop at the next signal. Trains exceeding Medium Speed must begin reduction to Medium Speed as soon as the engine passes the Approach signal.

286      y/rf  yy/w Medium Approach

Proceed prepared to stop at the next signal. Trains exceeding Medium Speed must begin reduction to Medium Speed as soon as the Medium Approach Signal is clearly visible.

287 g/r g gg Slow Clear

Proceed at Slow Speed until entire train clears all interlocking or spring switches, then proceed at Normal Speed.

In CSS territory with fixed automatic block signals, trains not equipped with operative cab signals must approach the next signal at Medium Speed once they have left interlocking limits.

288     y/r yf yy Slow Approach

Proceed prepared to stop at the next signal. Slow Speed applies until entire train clears allinterlocking or spring switches, then Medium Speed applies.

290 r/y y u uu Restricting

Proceed at Restricted Speed until the entire train has:

  1. Passed a more favorable fixed signal,

    or

  2. Entered nonsignalled DCS territory,

    or

  3. Passed a location where a more favorable cab signal was received.
291 #/r/r w/rr Stop and Proceed

Stop, then proceed at Restricted Speed until the entire train has:
  1. Passed a more favorable fixed signal,

    or

  2. Entered nonsignalled DCS territory,

    or

  3. Passed a location where a more favorable cab signal was received.
When a letter G (grade marker) or letter R (restricting marker) is displayed in addition to a number plate as part of these aspects, freight trainsmay observe the signal as though Restricting, Rule 290, were displayed.
292 r/r r rr Stop Signal

Stop.

293 Switch Closed Signal

Proceed.

293a Switch Open Signal

Proceed prepared to stop short of open switches.

293b Approach Clear

Proceed.

NOTE: Does not convey block or track information.

293c Approach Restricting

Proceed prepared to stop at hand-operated switches and at the next signal. trains exceeding Medium Speed must begin reduction to Medium Speed as soon as the engine passes the Approach Restricting signal.

294 Clear Slide Detector Signal

Proceed; slide detector not actuated.

294a Slide Detector Signal

Approach actuated slide detector prepared to stop short of obstruction.


Mark D. Bej
bejm@eeg.ccf.org
+1 216-444-0119
1996.10.12