Latest revision as of 19:41, 22 March 2021

Abstract

Purpose In-car support systems focus increasingly on improving traffic flow and throughput. Advisory systems allow for fast market penetration, advising drivers how to drive in order to improve general flow. By following the advice, drivers cannot create a beneficial effect by themselves but rely on other road users to comply as well. Drivers who sense a low compliance among other road users may be discouraged to use the system themselves. The present experiment investigated whether drivers are able to distinguish between various compliance rates to Connected Cruise Control (CCC), an advisory driver support system that gives headway, speed and lane advice to improve throughput on motorways. Method Forty-two participants estimated the compliance of other road users to CCC in a driving simulator. Actual system compliance was varied between 10, 50 and 90 %. Half of the participants received detailed information about the advice and the manifestation of compliant behaviour in traffic. Results Compliance estimates showed no effect of actual compliance rates. Overall compliance ratings were higher for participants who had not received additional information about the system. Difference scores between compliance estimate and actual compliance indicate that additional information did not improve estimation accuracy, neither did it increase participants’ confidence with their estimate. Conclusions When actual compliance is low, drivers still show high compliance estimates which can have beneficial effect on system acceptance. Additional information does not improve compliance estimates.

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• http://dx.doi.org/10.1007/s12544-013-0129-6 under the license https://creativecommons.org/licenses/by

• https://link.springer.com/content/pdf/10.1007%2Fs12544-013-0129-6.pdf under the license http://www.springer.com/tdm

• https://research.utwente.nl/en/publications/assessing-drivers-ability-to-estimate-compliance-rates-to-incar-advisory-driver-support(1cab353f-6e89-44ea-90ca-6857dbc28c26).html under the license cc-by

• http://link.springer.com/article/10.1007/s12544-013-0129-6/fulltext.html,

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https://academic.microsoft.com/#/detail/2077732946 under the license http://creativecommons.org/licenses/by/2.0