Rheological properties of the track (continued)

Study of the change in track geometry as a function of traffic. Additional results

A study of factors ifluencing the resistance to transverse displacement of unloaded track

Investigation of the maintenance work contributions for different types of track superstructure

Guiding principles for the development of heavy railprofiles

Study of a new 60 kg/m rail

Study of a new 71 kg/m rail (ORE 71 profile)

Diverging turnouts for speeds of 100 to 200 km/h and above General design Experience acquired by certain Administrations

Tests on existing turnouts or those espacially designed at the proposals of the D 121 Specialists Committee Initial Conclusions

Tests on existing turnouts or those especially designed at the proposals of the D 121 Specialists Committee Supplementary conclusions