PREN 13803 : DRAFT 2014

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 General
6 Limits
Annex A (informative) - Rules for converting parameter
        values for track gauges wider than 1435 mm
Annex B (normative) - Track alignment design parameter
        limits for track gauges wider than 1435 mm
Annex C (informative) - Supplementary information for track
        alignment design related to shape and
        length of alignment elements
Annex D (informative) - Constraints and risks associated with
        the use of exceptional limits
Annex E (informative) - Evaluation of conditions at the toe
        of a switch
Annex F (informative) - Design considerations for switch and
        crossing units
Annex G (normative) - Examples of applications
Annex H (informative) - Examples of local limits for cant
        Deficiency
Annex I (informative) - Considerations regarding cant
        deficiency and cant excess
Annex J (informative) - Passenger comfort on curves
Annex K (normative) - Sign rules for calculation of Delta D,
        Delta I and Delta p
Annex L (informative) - Length of constant cant between
        two linear cant transitions L[i]
Annex M (informative) - The principle of virtual transition
Annex N (normative) - Lengths of intermediate elements
        L[c] to prevent buffer locking
Annex O (informative) - Considerations for track gradients
Annex ZA (informative) - Relationship between this European
         Standard and the Essential Requirements
         of EU Directive 2008/57/CE
Bibliography

Defines rules and limits for track alignment design parameters, including alignments within switches and crossings.