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  2. Research Design and Standards Organisation - Wikipedia

    en.wikipedia.org/wiki/Research_Design_and...

    The Research Designs & Standards Organisation (RDSO) is the research and development and railway technical specification development organisation under the Ministry of Railways of the Government of India, which functions as a technical adviser and consultant to the Railway Board, the Zonal Railways, the Railway Production Units, RITES, RailTel and Ircon International in respect of design and ...

  3. Ballastless track - Wikipedia

    en.wikipedia.org/wiki/Ballastless_track

    Slab track with flexible noise-reducing rail fixings, built by German company Max Bögl, on the Nürnberg–Ingolstadt high-speed line. A ballastless track or slab track is a type of railway track infrastructure in which the traditional elastic combination of sleepers and ballast is replaced by a rigid construction of concrete or asphalt.

  4. Construction of California High-Speed Rail - Wikipedia

    en.wikipedia.org/wiki/Construction_of_California...

    As of October 2024, active construction in the Central Valley has been ongoing on 119 miles (192 km) of high-speed right-of-way with a design speed of 220 miles per hour (350 km/h). These 119 miles are constructed by three different consortia, split into so-called "construction packages (CPs)": CP 1, CP 2-3, and CP 4.

  5. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    Roads are designed in conjunction with design guidelines and standards. These are adopted by national and sub-national authorities (e.g., states, provinces, territories and municipalities). Design guidelines take into account speed, vehicle type, road grade (slope), view obstructions, and stopping distance. With proper application of guidelines ...

  6. List of high-speed railway lines - Wikipedia

    en.wikipedia.org/wiki/List_of_high-speed_railway...

    This article provides a list of operational and under construction (or approved) high-speed rail networks, listed by country or region. While the International Union of Railways defines high-speed rail as public transport by rail at speeds of at least 200 km/h (124 mph) for upgraded tracks and 250 km/h (155 mph) or faster for new tracks, this article lists all the systems and lines that ...

  7. List of high-speed railway lines in India - Wikipedia

    en.wikipedia.org/wiki/List_of_high-speed_railway...

    Mumbai–Ahmedabad high-speed rail corridor is the first of the twelve lines proposed and also the first one to be under construction, it connects India's economic hub Mumbai with the city of Ahmedabad. The 508.18 km (315.77 mi) stretch which is being developed with financial and technical support from Japan, when completed, will take about two ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Highway engineering - Wikipedia

    en.wikipedia.org/wiki/Highway_engineering

    Highway engineering (also known as roadway engineering and street engineering) is a professional engineering discipline branching from the civil engineering subdiscipline of transportation engineering that involves the planning, design, construction, operation, and maintenance of roads, highways, streets, bridges, and tunnels to ensure safe and effective transportation of people and goods.