Mark Vogel:
Overbrook Interlocking Tower
Mark Vogel:
Looking towards Thorndale
Mark Vogel:
Overbrook Interlocking Tower
Mark Vogel:
Stop
Mark Vogel:
Wires and a rainy day
Mark Vogel:
Stop signal on a rainy day
Mark Vogel:
Clear Signal
Mark Vogel:
SEPTA Silverliner IV #340
Mark Vogel:
SEPTA Silverliner IV # 291
Mark Vogel:
SEPTA Silverliner IV # 381
Mark Vogel:
SEPTA Silverliner IV # 381
Mark Vogel:
Amtrak Cab Control Car
Mark Vogel:
Slow Approach
Mark Vogel:
Approach Medium
Mark Vogel:
SEPTA Silverliner V
Mark Vogel:
SEPTA Silverliner IV # 398
Mark Vogel:
SEPTA Silverliner IV # 398
Mark Vogel:
SEPTA Silverliner IV # 290
Mark Vogel:
Amtrak AEM7 # 952
Mark Vogel:
Amtrak Cab Control Car
Mark Vogel:
Stop
Mark Vogel:
SEPTA Silverliner IV # 411
Mark Vogel:
SEPTA Silverliner IV # 411
Mark Vogel:
SEPTA Silverliner IV # 357
Mark Vogel:
Restricting
Mark Vogel:
Approach
Mark Vogel:
SEPTA Silverliner V
Mark Vogel:
SEPTA Silverliner V
Mark Vogel:
Proceed
Mark Vogel:
New Power & Old Tower