4.2.1 January 2024 Release
- Correction of typos in the full document, biker’s document not affected.
4.2 December 2023 Release (full article here)
- Added a fifth level in the Endurance factor,
- better clarified relationship between Endurance factor and E-Bikes,
- tweaked some values in the ITRS technical difficulty Technical specification of the difficulty levels chart,
- refined the short description of tech levels for bikers & added trail examples,
- added a reading example of the ITRS “route pie”,
- added trail structure terminology page,
- revised endurance formula for the addition of 5th level,
- added clarifications and important comments on exposure ratings,
- added important considerations for rating the wilderness factor,
- introduced a wording to differentiate with in one tech level,
- added page to better explain possible signage archetypes,
- added example of ITRS Implementation in the Lake Garda area in Trentino (Italy) designed by Max2 GmbH,
- updated ITRS Team contacts,
- updated the acknowledgements page,
- correction of typos.
4.1.2 March 2023 Release
- Added color blind feature in pie chart visualisation,
- tweaked some values in the ITRS technical difficulty Technical specification of the difficulty levels chart,
- added translations in French, German & Italian of key ITRS aspects,
- updated the “Goals & guiding principles of the ITRS”,
- correction of typos,
- updated the acknowledgements page.
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Thank you for you interest in ITRS.
3.21 May 2022 Release
This was the first public release of ITRS.