amtrak michigan subdivision zone 4

1. Signal Names
&
Indications
9.1.1 – 9.1.14
Amtrak Michigan
Subdivision
This has not been reviewed or endorsed by Amtrak.
Zone 4

2. 2
• Rule: 9.1.1
• Name:
Clear
• Indication:
Proceed
Amtrak Michigan
Subdivision

3. • Rule: 9.1.2
• Name:
Advance Approach
• Indication:
• Proceed prepared to stop at the second
signal.
• Passenger trains exceeding 45 MPH
must begin reduction to 45 MPH as soon
as engine passes the Advance Approach
signal.
• Freight trains exceeding 40 MPH must
begin reduction to 40 MPH as soon as
the engine passes the Advance
Approach signal.
Amtrak Michigan
Subdivision = Flashing

4. 4
• Rule: 9.1.3
• Name:
Approach Slow
• Indication:
• Proceed approaching the next signal
not exceeding 15 MPH.
• Trains exceeding 30 MPH must begin
reduction to 30 MPH as soon as the
engine passes the Approach Slow
Signal.
Amtrak Michigan
Subdivision

5. 5
• Rule: 9.1.4
• Name:
Approach
• Indication:
Proceed prepared to stop at the
next signal.
Trains exceeding 30 MPH must
begin reduction to 30 MPH as
soon as engine passes the
Approach signal.
Amtrak Michigan
Subdivision

6. 6
• Rule: 9.1.5
• Name:
Slow Clear
• Indication:
Proceed not exceeding 15
MPH until entire train clears
all switches within control
point limits, then proceed at
maximum authorized speed.
Dwarf
Amtrak Michigan
Subdivision

7. 7
• Rule: 9.1.6
• Name:
Slow Approach
• Indication:
• Proceed prepared to stop at next
signal not exceeding 15 MPH until
entire train clears all switches
within control point limits, then
proceed not exceeding 30 MPH.
Amtrak Michigan
Subdivision
= Flashing

8. 8
• Rule: 9.1.7
• Name:
Restricting
• Indication:
Proceed at Restricted Speed not exceeding
15 MPH within interlocking limits until the
entire train has cleared all switches within
control point limits, then continue at
Restricted Speed until the leading wheels
have either passed the next governing
signal or the end of the block system.
Amtrak Michigan
Subdivision

9. 9
• Rule: 9.1.8
• Name:
Stop and Proceed
• Indication:
STOP, then proceed at Restricted
Speed until the entire train has
cleared all interlocking and spring
switches and the leading wheels
have passed a more favorable
fixed signal or entered non
signaled territory.
Amtrak Michigan
Subdivision

10. 10
• Rule: 9.1.9
• Name:
Stop Signal
• Indication:
Stop
Amtrak Michigan
Subdivision

11. 11
• Rule: 9.1.10
• Name:
Approach Medium
• Indication:
Proceed approaching the
next signal not exceeding
30 MPH.
Amtrak Michigan
Subdivision

12. 12
• Rule: 9.1.11
• Name:
Approach Limited
• Indication:
Proceed approaching the
next signal not exceeding
45 MPH for passenger
trains, 40 MPH for freight
trains.
Amtrak Michigan
Subdivision = Flashing

13. 13
• Rule: 9.1.12
• Name:
Medium Clear
• Indication:
• Proceed not exceeding 30 MPH
until train clears all switches
within control point limits,
then proceed at maximum
authorized speed.
Amtrak Michigan
Subdivision

14. 14
• Rule: 9.1.13
• Name:
Limited Clear
• Indication:
Proceed not exceeding 45 MPH for
Passenger trains, 40 MPH for
freight trains until entire train
clears all switches within control
point limits, then proceed at
maximum authorized speed.
Amtrak Michigan
Subdivision = Flashing

15. 15
• Rule: 9.1.14
• Name:
Medium Approach
• Indication:
Proceed prepared to STOP at the next
signal. Trains exceeding 30 MPH must
begin reduction to 30 MPH as soon as
the Medium Approach signal is clearly
visible.
Amtrak Michigan
Subdivision = Flashing

16. 16
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