Foreword
1 Scope
2 Normative references
3 Aerodynamic resistance
   3.1 General
   3.2 Resistance to motion formula
4 Aerodynamic effects of a single train passing through
   a tunnel
   4.1 General
   4.2 Pressure transients
   4.3 Flow velocities
   4.4 Forces on objects and people in the tunnel
   4.5 Implications
5 Aerodynamic effects of crossing trains in a tunnel
   5.1 General
   5.2 Pressure transients
   5.3 Flow velocities
   5.4 Forces on objects and people
   5.5 Implications
6 Test methods
   6.1 Facilities with moving models
   6.2 Full scale tests
Bibliography