1. Moving vehicle method of estimating traffic volumes;Blensly;Traffic Eng.,1956
2. The economic assessment of road improvement schemes;Dawson,1968
3. Moving vehicle method of estimating traffic volumes and speeds;Mortimer;Traffic Eng.,1956
4. An evaluation of the moving observer method of measuring traffic speeds and flows;O'Flaherty;Proc. 5th Conf. Aus. Road Res. Board,1970