DIN EN 13803:2017-09

National foreword
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 General
6 Limits for 1435 mm gauge
Annex A (normative) - 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
        about shape and length of transition curves
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 (informative) - 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/EC
Bibliography

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