Results 21 to 30 of about 1,390,290 (339)

SMART PHOTONIC GUIDANCE SYSTEM FOR ROAD SAFETY [PDF]

open access: yesTransport Problems, 2020
Despite therapid and continuous progress in the constructionofvehicles and accompanying improving road infrastructure,the road safety issue remains very serious.
Dariusz LITWIN   +6 more
doaj   +1 more source

Macroscopic Fundamental Diagram Estimation Considering Traffic Flow Condition of Road Network

open access: yesPromet (Zagreb), 2023
A macroscopic fundamental diagram (MFD) is an important basis for road network research. It describes the functional relationship between the average flow and average density of the road network.
Xiaoli Deng, Yao Hu
doaj   +1 more source

Consistency and stability of risk indicators: The case of road infrastructures [PDF]

open access: yes, 2018
Over the last decade, the World Road Association – PIARC and several European research projects, among which Ecoroads, have encouraged a promising reflection on risk analysis methods, acceptance criteria and safety practices applied to the road system ...
Di Mascio, Paola   +2 more
core   +1 more source

Implementation of Road Performance Calculation Models Used in Strategic Planning Systems for Lithuania Conditions

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2020
Deficiency or inadequate allocation of road maintenance and development funds leads to total road network degradation. In order to ensure proper condition of road pavement with a limited budget, we need road maintenance optimisation for the entire road ...
Martynas Jurkevičius   +2 more
doaj   +1 more source

Rapidly shifting elevational distributions of passerine species parallel vegetation change in the subarctic

open access: yesEcosphere, 2016
Despite predictions of poleward and upslope shifts in the distribution of breeding passerines under climate change, studies often report variable responses with some species shifting opposite of the expected direction and others showing range stability ...
Jeremy D. Mizel   +3 more
doaj   +1 more source

Qualitative evaluation and optimization of forest road network to minimize total costs and environmental impacts

open access: yesiForest - Biogeosciences and Forestry, 2012
An efficient and low-cost transportation network is necessary for sustainable management. Roading and log skidding are the most expensive and destructive operations in forest environment, unless carefully planned and evaluated.
Hayati E, Majnounian B, Abdi E
doaj   +1 more source

Research on Urban Road Network Evaluation Based on Fractal Analysis

open access: yesJournal of Advanced Transportation, 2023
The structure of the urban road network affects the mode of urban development and the position of urban social and economic activities, families, and employment centers.
Wen Wen, Wenhui Zhang, Hongxing Deng
doaj   +1 more source

Resilience of Urban Road Network to Malignant Traffic Accidents

open access: yesJournal of Advanced Transportation, 2022
Malignant traffic accidents are typical devastating events suffered by the urban road network. They cause severe functional loss when loading on the urban road network is high, exerting a significant impact on the operation of the city. The resilience of
Yiding Lu   +4 more
doaj   +1 more source

Cities road networks [PDF]

open access: yesComputer Research and Modeling, 2016
Road network infrastructure is the basis of any urban area. This article compares the structural characteristics (meshedness coefficient, clustering coefficient) road networks of Moscow center (Old Moscow), formed as a result of self-organization and roads near Leninsky Prospekt (postwar Moscow), which was result of cetralized planning.
Igor Alexeevich Yevin   +4 more
openaire   +2 more sources

The air quality impact of cordon and distance based road user charging: an empirical study of Leeds, U.K [PDF]

open access: yes, 2005
Traffic assignment, pollutant emission and dispersion models were applied to a major UK city so as to assess the air quality impacts of five road pricing schemes.
Milne, D.S., Mitchell, G., Namdeo, A.K.
core   +1 more source

Home - About - Disclaimer - Privacy