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PRI

April 6, 2020Tom

Abbreviated term for Preliminary Routing IndicatorAn Indicator associated with a junction, giving the driver prior information about which Route is set at the junction..

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  • Signalling concepts
  • Miniature railway signalling
  • Model railway signalling
  • Site Studies
    • Great Cockcrow Miniature Railway
    • Moors Valley Miniature Railway
    • East Herts Miniature Railway
  • Contact Us
  • Links
  • Forums
  • Login
    • Login
    • Register
  • Account
    • User
    • Members
    • Password Reset
    • Logout
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