[EN] The speed kidney is a new traffic-calming device that consists of a raised and curved area placed at the center of any lane. Drivers can choose to adopt a curved path, moderating speeds but avoiding disadvantages of ...

[EN] In Spain, a new challenge is emerging due to the increase of many recreational bicyclists on two-lane rural roads. These facilities have been mainly designed for motorized vehicles, so the coexistence of cyclists and ...

[EN] In Spain, the presence of cyclists' groups riding on two-lane rural roads in a single file or in parallel line is growing. The number of overtaking maneuvers to them is also increasing. This is one of the most dangerous ...

[EN] Weather conditions affect traffic flow characteristics, including speed and capacity. Several studies have stated that rain, snow, wind speed, and visibility loss cause reductions in speed and capacity. Understanding ...

[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, ...

[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 ...

[ES] Algunos de los beneficios de la aparición de los vehículos autónomos son el incremento de la seguridad vial, la mejora de la operación del tráfico y el ahorro de combustible, pero, por otro lado, provocarán efectos ...

[ES] La presencia de ciclistas deportivos en carreteras convencionales es un fenómeno habitual en la actualidad. Los ciclistas circulan individualmente y en grupo, compartiendo la vía con los vehículos motorizados e ...

[ES] Los trazados que presentan rectas de elevada longitud fomentan que los conductores circulen a mayores velocidades, pudiendo alcanzar sus velocidades deseadas en la parte central de las mismas. Como consecuencia de ...

[ES] El sector de la construcción produce grandes efectos medioambientales, pérdidas energéticas y un consumo considerable de recursos naturales. La construcción de firmes conlleva el empleo de grandes cantidades de árido ...