Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic Conditions
The effect of fog levels on drivers' free-flow speeds for various vehicles in mixed traffic conditions is examined in this research. Visibility and free-flow speeds from eight highways are simultaneously collected and analyzed. The findings show distinct driver behavior patterns under different...
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University of Žilina
2025-04-01
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| Series: | Communications |
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| Online Access: | https://komunikacie.uniza.sk/artkey/csl-202502-0004_impact-of-fog-levels-on-free-flow-speeds-in-mixed-traffic-conditions.php |
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| _version_ | 1850216577673199616 |
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| author | Angshuman Pandit Anuj Kishor Budhkar |
| author_facet | Angshuman Pandit Anuj Kishor Budhkar |
| author_sort | Angshuman Pandit |
| collection | DOAJ |
| description | The effect of fog levels on drivers' free-flow speeds for various vehicles in mixed traffic conditions is examined in this research. Visibility and free-flow speeds from eight highways are simultaneously collected and analyzed. The findings show distinct driver behavior patterns under different fog conditions. In dense fog, small visibility improvements lead to linear speed increases, while in light fog, speeds are mostly unchanged, though drivers maintain higher speeds than in clear conditions. Regardless of a vehicle type, driving patterns in fog are similar, though specific speeds differ. Cars tend to drive dangerously fast, while trucks remain slower due to limited manoeuvrability. This study offers insights for operational strategies in dense fog, supporting the use of dynamic warning systems and variable speed limits to reduce unsafe speed variations and potential crashes in low visibility. |
| format | Article |
| id | doaj-art-e133f87dacb440fa8254a49250146a89 |
| institution | OA Journals |
| issn | 1335-4205 2585-7878 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | University of Žilina |
| record_format | Article |
| series | Communications |
| spelling | doaj-art-e133f87dacb440fa8254a49250146a892025-08-20T02:08:15ZengUniversity of ŽilinaCommunications1335-42052585-78782025-04-01272F1F1210.26552/com.C.2025.019csl-202502-0004Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic ConditionsAngshuman PanditAnuj Kishor Budhkar0Department of Civil Engineering, Indian Institute of Engineering Science and Technology, Shibpur, Howrah, IndiaThe effect of fog levels on drivers' free-flow speeds for various vehicles in mixed traffic conditions is examined in this research. Visibility and free-flow speeds from eight highways are simultaneously collected and analyzed. The findings show distinct driver behavior patterns under different fog conditions. In dense fog, small visibility improvements lead to linear speed increases, while in light fog, speeds are mostly unchanged, though drivers maintain higher speeds than in clear conditions. Regardless of a vehicle type, driving patterns in fog are similar, though specific speeds differ. Cars tend to drive dangerously fast, while trucks remain slower due to limited manoeuvrability. This study offers insights for operational strategies in dense fog, supporting the use of dynamic warning systems and variable speed limits to reduce unsafe speed variations and potential crashes in low visibility.https://komunikacie.uniza.sk/artkey/csl-202502-0004_impact-of-fog-levels-on-free-flow-speeds-in-mixed-traffic-conditions.phpvisibilityfree-flow speeddrivers' behaviourmixed traffic |
| spellingShingle | Angshuman Pandit Anuj Kishor Budhkar Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic Conditions Communications visibility free-flow speed drivers' behaviour mixed traffic |
| title | Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic Conditions |
| title_full | Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic Conditions |
| title_fullStr | Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic Conditions |
| title_full_unstemmed | Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic Conditions |
| title_short | Impact of Fog Levels on Free-Flow Speeds in Mixed Traffic Conditions |
| title_sort | impact of fog levels on free flow speeds in mixed traffic conditions |
| topic | visibility free-flow speed drivers' behaviour mixed traffic |
| url | https://komunikacie.uniza.sk/artkey/csl-202502-0004_impact-of-fog-levels-on-free-flow-speeds-in-mixed-traffic-conditions.php |
| work_keys_str_mv | AT angshumanpandit impactoffoglevelsonfreeflowspeedsinmixedtrafficconditions AT anujkishorbudhkar impactoffoglevelsonfreeflowspeedsinmixedtrafficconditions |