design speed


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design speed

[di′zīn ‚spēd]
(civil engineering)
The highest continuous safe vehicular speed as governed by the design features of a highway.
References in periodicals archive ?
After the extension, the oldest overhead railway facility in Southeast Asia will have a design speed of 80 kilometers per hour for its mainline; 60 kph through stations; and 30 kph for secondary and depot tracks.
Kr3 (including general traffic measurement), design speed: Min 50 km / h, normal cross-section: - lane width in road cross-section - 3.0 m, - width of the traffic lane in a street section - 3.5 m, - width of the bituminous band - 2x0,5 m, - width of shoulder paved behind the band - min.
The 296 km long project will be a 6-lane motorway with a design speed of 120 km/hour, 89 bridges, 11 interchanges and 243 underpasses, he said.
Sukkur-Multan has a design speed of 120 km per hour, and it is a two-way six-lane road with a contractual value of USD 2.889 billion (excluding $180 million tax exemption).
The M-6 will be a 6-lane motorway with a design speed of 120 km/hour, 89 bridges, 15 interchanges and 243 underpasses.
The new regulation gives greater freedom in determining the design speed for each class of road depending on the transport functions and the peculiarities of the terrain.
Geometric roadway design practices in the United States rely on design controls and criteria set forth in the American Association of State Highway and Transportation Officials' (AASHTO) A Policy on Geometric Design of Highways and Streets, also known as the "Green Book." The design speed (herein referred to as the designated design speed) is defined in the Green Book as "a selected speed used to determine the various geometric design features of the roadway." The Green Book either explicitly or implicitly uses the design speed concept to establish horizontal alignment, vertical alignment, and cross section design elements.
Rethinking the design speed of our public streets so that more people can use the streets in more ways - safely and comfortably any day of the year - is not a radical idea.
The service is at present run by the HST Trains built in 1976 also known as "Intercity 125" because that is their design speed. 38 years on and no progress.
With a nominal CNG capacity of 2200 cu.m the vessel has been designed by CIMC ORIC using natural gas as fuel driven by a dual fuel main engine and with a 110 m length over all and a 14knots design speed. It will be designed and constructed to dual ABS and Biro Klasifikasi.
The new line, which will have a design speed of 350 kmph, will help reduce the journey time between the cities to just one and a half hours, reported the Arab News.
The measurements were recorded on two carriageway streets with two or three lanes in each direction that have different design speed. The measurements were recorded in different periods and at different traffic volume from 2007 until the end of 2009.

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