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[railML3] Refactoring of straightBranch and turningBranch of switchIS [message #3890] Wed, 11 February 2026 12:30 Go to next message
Milan Wölke is currently offline  Milan Wölke
Messages: 219
Registered: April 2007
Senior Member
Hi all,

in a recent review of the modelling of <switchIS> we identified an issue we want to correct in the upcoming version 3.4 of railML. In particular we found that currently (3.3) the <straightBranch> as well as the <turningBranch>, so elements that are intended to be used when modelling switch crossings, each contain the attributes @joiningSpeed and @branchingSpeed. We found that this does not make sense for these. Specifying a speed, does make sense but providing separate values for joining and branching does not. Therefore we intend to update the modelling so that only the attribute @speed will be available on <straightBranch> and <turningBranch>.

<leftBranch> and <rightBranch> will be left untouched by this change.

Is there anyone who disagrees with that? Is there a need for someone to specify a branchingSpeed and a joiningSpeed for <straightBranch> or <turningBranch>? If so, please let us know the background so that we can update the documentation.

Best regards, Milan


Milan Hoffmann – Timetable schema coordinator
railML.org (Registry of Associations: VR 5750)
Altplauen 19h; 01187 Dresden; Germany www.railML.org
Re: [railML3] Refactoring of straightBranch and turningBranch of switchIS [message #3901 is a reply to message #3890] Sun, 22 February 2026 10:59 Go to previous message
Mathias Vanden Auweele is currently offline  Mathias Vanden Auweele
Messages: 105
Registered: February 2025
Location: Brussels
Senior Member
I agree with your proposal and think this is a good change.

Mathias Vanden Auweele
Railway data freelancer
https://matdata.eu
Brussels, Belgium
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