Evaluation of perception and nonperception based approaches for modeling urban road level of service (Record no. 17669)

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control field OSt
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control field 20220927135359.0
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fixed length control field 220927b xxu||||| |||| 00| 0 eng d
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Original cataloging agency AIKTC-KRRC
Transcribing agency AIKTC-KRRC
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9 (RLIN) 18133
Author Jithin Raj
245 ## - TITLE STATEMENT
Title Evaluation of perception and nonperception based approaches for modeling urban road level of service
250 ## - EDITION STATEMENT
Volume, Issue number Vol.103(2), June
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Place of publication, distribution, etc. New York
Name of publisher, distributor, etc. Springer
Year 2022
300 ## - PHYSICAL DESCRIPTION
Pagination 467-480p.
520 ## - SUMMARY, ETC.
Summary, etc. As road-user perception has become an essential component in level of service (LOS) analyses, the current study attempts to evaluate and comprehend the urban road LOS using two approaches, perception and nonperception. The study has used percent free-flow speed (PFFS) as the service measure, similar to the existing manuals. In addition, for the realistic evaluation of both approaches and to account for the frequent signalized intersections present on the roadways, the analysis evaluated urban roads as segments with multiple intersections. The nonperception-based approach utilized speed profile data from various operating scenarios and employed the k-means clustering technique for classifying and arriving at the LOS thresholds. Whereas in the perception-based approach, responses from the travelers were collected through video laboratory sessions by showing sample video clips of urban road travel. Ordered logistic regression is implemented for modeling these responses to derive the service level thresholds. The subsequent investigation revealed that the thresholds from the nonperception approach resembled the thresholds defined in existing manuals, compared to the perception approach. The study also found that urban road travelers are more tolerant of congested conditions, evidenced by a 3% decrease in perception-based thresholds. In contrast, the perception-based thresholds for the stable and free-flow conditions were incremented by 3–6% and 10%, respectively, than the nonperception approach. This suggests that perceptions of urban road travelers do not correspond with the existing PFFS thresholds that define urban road LOS. Hence, the comparative analysis presented in this paper will contribute to the efficient evaluation and planning of urban roads by examining the perceptions of both engineers and travelers.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
9 (RLIN) 4642
Topical term or geographic name entry element Humanities and Applied Sciences
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9 (RLIN) 18134
Co-Author Vedagiri P.
773 0# - HOST ITEM ENTRY
Title Journal of the institution of engineers (India): Series A
International Standard Serial Number 2250-2149
Place, publisher, and date of publication Switzerland Springer
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URL https://link.springer.com/article/10.1007/s40030-021-00602-4
Link text Click here
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme
Koha item type Articles Abstract Database
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Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Permanent Location Current Location Shelving location Date acquired Barcode Date last seen Price effective from Koha item type
          School of Engineering & Technology School of Engineering & Technology Archieval Section 2022-09-27 2022-1746 2022-09-27 2022-09-27 Articles Abstract Database
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