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A Methodology for the Definition of the Acoustic Capacity of a Road Infrastructure [PDF]

open access: yesSustainability, 2021
In this paper, a new methodology for the assessment of the so-called “acoustic capacity” of a road infrastructure is proposed. This aspect is very important in the field of transportation planning as, currently, road infrastructures are verified only in terms of physical capacity; at most, the environmental capacity due to atmospheric pollutants is ...
Marino Lupi, Alessandro Farina
exaly   +3 more sources
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PROBLEM OF THE ROAD NETWORK CAPACITY

Transport Samochodowy, 2023
The perception of a typical user of the road network in a large Polish city isdetermined by the time he spends in queues and congestion every day. Inthe opinion of many users of this network, it is too long. This time rangesfrom several to several dozen minutes.
openaire   +1 more source

Bearing capacity of unpaved roads

Canadian Geotechnical Journal, 1997
Elastic layer theories may be valid for relatively stiff pavement materials and pavements subjected to low traffic stresses; however, the assumption of linear elastic behavior is not suitable for thin pavements and unpaved roads consisting of untreated granular bases over cohesive subgrades. The behavior of such pavements, even at low traffic stresses,
Oloo, S.Y., Gan, J. K-M., Fredlund, D.G.
openaire   +1 more source

Effect of road structure on the capacity of a signalized road intersection

Chinese Physics B, 2009
In this paper, we use the stochastic Nagel–Schreckenberg (NaSch) model to investigate the influence of a special right-turning lane connecting two main roads on the capacity of a signalized road intersection. It is found that the magnitude of right-turning traffic flow and the linking position of the special right-turning lane can greatly influence the
Pan Jia-Xiu   +3 more
openaire   +1 more source

Road Capacity with Efficient Tolls

1999
In the long run the capital input embodied in the streets and highways is variable. The era of highway building of the 1950s and 1960s reshaped urban areas. At this point the prospects for additions to the highway systems of most urban areas are few, but not zero.
John F. McDonald   +2 more
openaire   +1 more source

Contact Capacity Prediction in Ring Road Networks

2018 6th IEEE International Conference on Wireless for Space and Extreme Environments (WiSEE), 2018
In this paper, we revisit the definition of a contact in the context of deterministic delay-tolerant networks, based on the use case of a low earth orbit satellite network. A new approach to define contacts with capacity being the core characteristic is introduced.
Felix Walter, Marius Feldmann
openaire   +1 more source

Increasing road capacity by emergency laws "Broadening of the roads"

IABSE Reports, 2010
<p>Because of the large traffic-jam problem in the Netherlands the road capacity had to be increased on a lot of motorways. In the last decade the Dutch Ministry of Public Works started the ZSM program (Dutch abbreviation for Visible, Smart, and Measurable) as a part of the widening of main national highways.
openaire   +1 more source

Effect of Road Roughness on Capacity of Two-Lane Roads

Journal of Transportation Engineering, 2004
The Highway Capacity Manual (2000) states that the capacity of a two-lane rural highway under ideal conditions is 3200 passenger car unit per hour for both directions combined. The ideal conditions as given in the manual do not include the riding quality of a road, which deteriorates with time.
openaire   +1 more source

The Adjustment Factor of Road Section Crosswalk on Urban Road Capacity

Traffic and Transportation Studies 2010, 2010
This paper quantitatively analyzes the effect of road section crosswalks on urban road capacity and the running characteristics of pedestrians, bicycles, and electric bicycles when they pass through a crosswalk were also studied. The equivalent people group was also defined to describe the common effects of pedestrians, bicycles, and electric bicycles ...
Aizeng Li   +3 more
openaire   +1 more source

A study on the effective road capacity and the modified road capacity: new evaluation parameters for traffic flow evaluation

Proceedings 199 IEEE/IEEJ/JSAI International Conference on Intelligent Transportation Systems (Cat. No.99TH8383), 2003
In this paper effective road capacity and modified road capacity are proposed as new parameters for traffic flow evaluation. By using these parameters, possible impacts of an inter-vehicle communications network under autonomous cruising and platooning are evaluated.
A. Widodo, T. Hasegawa
openaire   +1 more source

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