Positive Train Control The impact of legislative changes

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Positive Train ControlThe impact of legislative
changes

• SCORT
• Chris Heald
• September 22, 2009

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What is Positive Train Control

• PTC is a system that has been mandated in Federal
  law that is required to
• Reduce the risk of train to train collisions
• Reduce the risk of overspeed derailments
• Provide additional work zone protection
• PTC is infrastructure / locomotive / office based
  system
• Enables a train to know its movement authority
  and take action to remain within it

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Why PTC, Why Now?

• Current position
• Safe transportation of freight and passengers
• Occasional accidents
• Human error remains one of the most significant
  factors
• PTC provides oversight of human actions to reduce
  risk
• Technology is available
• Cost benefit will never be positive on safety
  alone

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When is PTC needed?

• RSIA 2008 requires
• PTC in place by December 31, 2015
• PTC Implementation Plan (PTCIP) submitted to FRA
  by April 16, 2010

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Where is PTC needed?

• In general (with some exceptions)
• Commuter or Intercity passenger rail routes
• High volume, high risk (PIH TIH) freight

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How it works

• Train is intelligent
• Movement authority advised by wayside
• Speed Tachometer, GPS
• Track topography on board database
• Cab Location - GPS or Transponder
• Train length manual input
• Direction GPS or Transponder
• Civil and temporary speed limits database and
  manual data update via radio
• Braking capability braking algorithm (verified
  through testing), train consist (manual), train
  weight (manual)

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How it works
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How - Technology?

• 2 main technologies
• GPS and radio based
• Track based transponder and radio based

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How - Technology?

• GPS and radio based
• V/ETMS, ITCS
• GPS location within 10 feet
• Could be effected by mountains, buildings,
  tunnels.
• Data rate limit may mean train speed lt125mph
• Class 1s working on Wabtec V/ETMS solution with
  interoperability

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How - Technology?

• Track based transponder and radio based
• ACSES
• Location verification by transponder with
  tachometer based intermediate positioning
• Suitable for use for high speeds
• Suitable for use in tunnels
• Transponders installation and maintenance
  intensive
• North East Corridor (Amtrak Acela NJT / SEPTA /
  MBTA / MNR / LIRR) will remain ACSES

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How - Technology Selection Factors

• Technology choice of other shared users
• PTC Type Approval status
• Suitability
• Cost
• Availability

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How?

• System-wide areas impacted
• Locomotives / Cab Cars
• Wayside
• Signals
• Central Control
• IT

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Implications for the States

• Inputs
• Project Funding tax mechanisms, investment
  deferment, loans
• Project Resources

• Outputs
• Improved safety
• Improved infrastructure use
• Improved energy use
• Opportunities for future rail services

PTC
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Cost

• 10bn to 17bn over next 20 years

Back Office
Wayside
Vehicles
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Benefit

• FRA identify 1Bn in safety benefits
• Business benefits intentionally not identified
• Fuel savings from train pacing
• Cost and Emission reduction
• Reduced Risk
• reduced liability exposure

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Way Forward

• Freight Railroads, Passenger Railroads, and
  Infrastructure owners need to work together
• Identify lead for PTCIP joint submissions
  illustrate better system coordination between
  stakeholders

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Conclusions

• April 16, 2010 is less than 7 months away
• All passenger railroads need an implementation
  plan
• PTC is a wayside, office, and vehicle system
• Take action now

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Thank you
P
C
T
P
T
C

• PARTNERING TO ACHIEVE THE VISION

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