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Board of Transportation
of The City New York
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Rules and Regulations
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Governing Employees
Engaged in Operation
of the
New York City
Transit System


photo courtesy of Zachary Gillihan Book Cover
 photo courtesy of Zachary Gillihan Page 56
Interlocking Approach and Automatic Signals, IND Division
Page 57
Interlocking Home Signals, IND Division
photo courtesy of Zachary Gillihan Page 58
Interlocking Home Signals, IND Division
Page 59
Interlocking Dwarf Signals, IND Division
 photo courtesy of Zachary Gillihan Page 60
Signs and Markers, IND Division
Page 61
Signs and Markers / Miscellaneous Signals, IND Division
photo courtesy of Zachary Gillihan Page 62
Interlocking Approach and Automatic Signals, BMT Division
Page 63
Interlocking Home Signals, BMT Division
 photo courtesy of Zachary Gillihan Page 64
Interlocking Home Signals, BMT Division
Page 65
Interlocking Home Signals, BMT Division
photo courtesy of Zachary Gillihan Page 66
Interlocking Dwarf Signals / Train Order Signals, BMT Division
Page 67
Interlocking Semaphore Home Signals, BMT Division
 photo courtesy of Zachary Gillihan Page 68
Interlocking Semaphore Dwarf Signals / Switch Targets, BMT Division
Page 69
Sign and Markers, BMT Division
photo courtesy of Zachary Gillihan Page 70
Miscellaneous Signals, BMT Division
Page 71
Stop & Proceed As Per Rule Automatic signals In Tunnel Sections & On Elevated Structure, IRT Division
 photo courtesy of Zachary Gillihan Page 72
Stop and Stay-Interlocking Signals in Tunnel Sections & On Elevated Structure, IRT Division
Page 73
Stop and Stay Interlocking Signals On Elevated Structure, IRT Division
photo courtesy of Zachary Gillihan Page 74
Stop and Stay Interlocking Signals On Elevated Structure, IRT Division
Page 75
Stop and Stay Interlocking Signals On Elevated Structure and Signal Target Pot Signals, IRT Division
 photo courtesy of Zachary Gillihan Page 76
Proceed With Caution- Main Route 1-Next Signal at Stop Or 2-No Advance Signal Indication In Tunnel Sections and On Elevated Structure, IRT Division
Page 77
Proceed With Caution- Main Route Next Signal at Stop On Elevated Structure, IRT Division
photo courtesy of Zachary Gillihan Page 78
Proceed With Caution Over Diverging Route Interlocking Signals On Elevated Structure, IRT Division
Page 79
Proceed With Caution Over Diverging Route Interlocking Signals On Elevated Structure and In Tunnel Sections, IRT Division
 photo courtesy of Zachary Gillihan Page 80
Proceed With Caution At Slow Speed Interlocking Signals, IRT Division
Page 81
Proceed With Caution At Slow Speed Interlocking Signals On Elevated Structure, IRT Division
photo courtesy of Zachary Gillihan Page 82
Proceed-Main Route No Advance Signal Indiation Automatic and Interlocking On Elevated Structure, IRT Division
Page 83
Proceed-Main Route No Advance Signal Indiation Automatic and Interlocking On Elevated Structure, IRT Division
 photo courtesy of Zachary Gillihan Page 84
Proceed-Main Route-Next Signal Clear In Tunnel Sections & On Elevated Structure, IRT Division
Page 85
Proceed-Diverging Route-Next Signal Clear Interlocking Signals In Tunnel Sections & On Elevated Structure, IRT Division
photo courtesy of Zachary Gillihan Page 86
Proceed-Main Route-Next Signal Clear On Elevated Structure, IRT Division
Page 87
Pocket Signals Proceed With Caution-Station Track Occupied, IRT Division
 photo courtesy of Zachary Gillihan Page 88
Pocket Signals Proceed-Station Track Unoccupied On Elevated Structure and In Tunnel Sections, IRT Division
Page 89
Moving Platform Signal-Slow Until Platform Signal Clears / Switch Target Switch Pot Signal, IRT Division
photo courtesy of Zachary Gillihan Page 90
Section Break Signals, IRT Division
Page 91
Signs and Markers / Miscellaneous Signals, IRT Division
 photo courtesy of Zachary Gillihan Page 92
Automatic Signals, Dyre Ave Route
Page 93
Interlocking Home Signals, Dyre Ave Route
photo courtesy of Zachary Gillihan Page 94
Interlocking Home Signals, Dyre Ave Route
Page 95
Interlocking Dwarf Signals / Switch Targets, Dyre Ave Route
 photo courtesy of Zachary Gillihan Page 96
Miscellaneous Signals, Dyre Ave Route