Review of traffic data collection methods for drivers’ car – following behaviour under various weather conditions

Adverse weather conditions have considerable impact on traffic operation and safety as it affects drivers’ car-following behaviour. however,the quality of traffic data and its related methodologies to address these effects are under continuous enhancement. this paper intends to provide an overview of various empirical traffic data collection methodologies widely used to investigate drivers car-following behaviour under various weather conditions. these methodologies include video cameras,pneumatic tubes,floating car data,instrumented vehicle and driving simulator. moreover,the advantages and disadvantages related to methodologies have been discussed with emphasis on their suitability to work under adverse weather conditions. furthermore,conclusion also comprises on table format of comparative review of facilities concerned with the methodologies. © 2016 penerbit utm press. all rights reserved.