Surrogate Measures of Safety
Swedish Traffic Conflict Technique
Developed in 1980s at Lunds University, the Swedish TCT is still widely used for safety evaluation studies. It has gone through a number of major upgrades, being adjusted for the changes in traffic environment and new data collection technologies becoming available.
DOCTOR – Dutch Objective Conflict Technique for Operation and Research
The DOCTOR method was developed in the Netherlands by the Institute of Road Safety Re-search (SWOV) and TNO Human Factors.
Richard A. van der Horst
TNO / Road Safety for All