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Listar por palabra clave "Traffic operation"

Mostrando ítems 1-9 de 9

Analysis of the Influence of Geometric Design Consistency on Vehicle CO2 Emissions

Llopis-Castelló, David; Camacho-Torregrosa, Francisco Javier; García García, Alfredo (Elsevier, 2019)

[EN] Highway vehicles driving on rural roads account for more than 50% of all CO2 emissions produced by the transportation sector in Europe. Although the policy measures to mitigate Greenhouse Gas emissions are increasing, ...
Analysis of the Influence of Sport Cyclists on Narrow Two-Lane Rural Roads Using Instrumented Bicycles and Microsimulation

MOLL MONTANER, SARA; López-Maldonado, Griselda; García García, Alfredo (MDPI AG, 2021-02)

[EN] It is frequent to see cyclists on Spanish two-lane rural roads, both riding individually and in groups. However, these roads were designed only for motorized vehicles, most of them having a narrow section with a null ...
Analysis of the vehicle-bicycles interaction on two-lane rural roads using a driving simulator based on field data

Dols Ruiz, Juan Francisco; Molina, Jaime; MOLL MONTANER, SARA; López-Maldonado, Griselda; Camacho-Torregrosa, Francisco Javier; García García, Alfredo (Elsevier, 2021)

[EN] The presence of cyclists on Spanish two-lane rural roads is common, so they have to interact with motor vehicles. Due to the speed differential and vulnerability of cyclists, overtaking is one of the most dangerous ...
Environmental effects of road geometric and operational features

Nobili, Federica; Bella, Francesco; Llopis-Castelló, David; Camacho-Torregrosa, Francisco Javier; García García, Alfredo (Elsevier, 2019)

[EN] The aim of this study is to analyze the influence of horizontal geometric design and vehicle operation on fuel consumption and gas emissions produced by passenger cars. Continuous speed data were collected along 15 ...
Evaluation of Passing Process on Two-Lane Rural Highways in Spain with New Methodology Based on Video Data

Llorca García, Carlos; García García, Alfredo (National Academy of Sciences, 2011-02)

Drivers need sufficient passing sight distance (PSD) to pass slower vehicles with safety. This distance can help to improve traffic operation on two-way, two-lane highways. Existing models propose different values of PSD ...
Impact of horizontal geometric design of two-lane rural roads on vehicle CO2 emissions

Llopis-Castelló, David; Pérez Zuriaga, Ana María; Camacho-Torregrosa, Francisco Javier; García García, Alfredo (Elsevier, 2018)

[EN] In 2014, highway vehicles accounted for 72.8% of all Greenhouse Gases emissions from transportation in Europe. In the United States (US), emissions follow a similar trend. Although many initiatives try to mitigate ...
Modification of the Highway Capacity Manual two-lane highway analysis procedure for Spanish conditions

Moreno Chou, Ana Tsui; Llorca García, Carlos; Washburn, Scott; Bessa Jr., José Elievam; Hale, David K; García García, Alfredo (John Wiley & Sons, 2016)

[EN] The US Highway Capacity Manual (HCM) methodology is used in Spain to evaluate traffic operation and quality of service. The effect of passing manoeuvre on two-lane highway operational performance is considered through ...
Operational Considerations of Passing Zones for Two-lane Highways: Spanish Case Study

Moreno Chou, Ana Tsui; Llorca Garcia, Carlos; Washburn, Scott; Bessa Jr., José Elievam; García García, Alfredo (Faculty of Transport and Traffic Sciences, 2018-11-09)

[EN] The U.S. Highway Capacity Manual (HCM 2010) methodology is used in Spain to evaluate traffic operation and quality of service. In two-lane undivided highways, the effect of limiting where drivers could pass slower ...
Speed limit management on two-lane rural roads shared by drivers and cyclists to improve safety and traffic operation

MOLL MONTANER, SARA; López-Maldonado, Griselda; García García, Alfredo (Elsevier, 2024-03)

[EN] Two-lane rural roads require management that integrates all road users, especially cyclists, who have reached significant traffic levels. Management measures must focus on increasing safety and, wherever possible, ...