Zobrazeno 1 - 10
of 2 669
pro vyhledávání: '"Operating speed"'
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 8, Pp 50-56 (2024)
Objective In the actual metro construction, it is often necessary to lay turnouts on large-slope sections due to planning and construction constraints, land conservation or topographical limitations. However, it is found through practical application
Externí odkaz:
https://doaj.org/article/db01a2cd31564f3980d6a8e9003b23b5
Publikováno v:
Promet (Zagreb), Vol 36, Iss 3, Pp 383-398 (2024)
Vehicle speed is one of the main factors that influence the occurrence and severity of the consequences of road traffic accidents. Operating speed can be defined, among other things, as the actual speed at which the largest number of road users drive
Externí odkaz:
https://doaj.org/article/cac7bf7c7565463e8d695fa66889734c
Publikováno v:
Heliyon, Vol 10, Iss 20, Pp e39459- (2024)
In managing road infrastructures, a key benchmark is the 85th percentile of vehicle speeds (V85). While V85 can be derived from spot speed samples, these are often lacking on each urban road. Thus, prediction models become valuable tools for examinin
Externí odkaz:
https://doaj.org/article/21a0effab0554aa792195dd9d37dec5e
Autor:
Kiran Kumar Tottadi, Arpan Mehar
Publikováno v:
Frontiers in Future Transportation, Vol 5 (2024)
Earlier studies acknowledged that the design speed does not principally assure consistency in the design of highway geometric elements. Methodologies for estimating operating speeds are limited to specific or local traffic conditions and design stand
Externí odkaz:
https://doaj.org/article/3945d2a7d09342a089370596b827bc97
Autor:
Li Gang, Zheng Yujuan
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 1, Pp 16-23 (2024)
The fuel consumption rate of a diesel engine is closely related to its operating speed. In order to minimize the fuel consumption rate of the diesel engine, this paper studies the optimal operating speed of the diesel generator set, and designs the o
Externí odkaz:
https://doaj.org/article/f2439245abba4933b8dad99cec271d7d
Publikováno v:
Infrastructures, Vol 9, Iss 9, p 159 (2024)
The reconstruction of a standard at-grade intersection into a roundabout is very often motivated by the need to improve traffic safety, and the effects are usually monitored through before–after analyses based on traffic accidents. As in some count
Externí odkaz:
https://doaj.org/article/b65c942470d142098c36ada3d7d6a3d3
Publikováno v:
Journal of Engineering and Applied Science, Vol 70, Iss 1, Pp 1-25 (2023)
Abstract Operating speed models help assess and evaluate geometric design consistency along successive road segments. The development of operating speed models has been mostly focused on rural two-lane two-way highways, where horizontal curvature pla
Externí odkaz:
https://doaj.org/article/a6d8094bc0b14bf8889cd93a10662173
Publikováno v:
International Journal of Transportation Science and Technology, Vol 12, Iss 2, Pp 560-577 (2023)
Vehicle operating speed is a crucial factor for road safety, as it strictly affects occurrence and severity of crashes. Usually, 85th percentile of the operating speed distributions (i.e., V85) in free-flow traffic condition is widely accepted as a b
Externí odkaz:
https://doaj.org/article/9ce59fc6559e4ec1a558acdbf429ca90
Autor:
Anas Alrejjal, Khaled Ksaibati
Publikováno v:
Journal of Traffic and Transportation Engineering (English ed. Online), Vol 10, Iss 1, Pp 116-131 (2023)
Roadways in Wyoming are characterized by challenging horizontal profiles, vertical profiles, a combination of the two and adverse weather conditions, all of which affect vehicle stability. In this study, we investigated the impact of different operat
Externí odkaz:
https://doaj.org/article/ba25ed7d22284fa884549bf1a0c210fb
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