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Designing single-Lane dual Carriageways - 2 x 1 lane
Edition
Edité par Cerema. Bron - 2024
L'objectif des documents et publications traduits est de transmettre aux lecteurs non francophones le savoir-faire français exposé dans la publication originale, qu'il s'agisse de méthodologies, d'outils ou de bonnes pratiques. Les publications originales en français sont soumises à un processus de vérification, qui aboutit à un engagement du Cerema sur leur contenu. Les versions anglaises ne
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As an addition to established reference documents such as the ICTAAL instruction, the ARP and the VSA guides, this guide is intended for project owners and project managers, and also for consulting firms that wish or need to design interurban roads with two separate single-lane carriageways (2 x 1 lane).
The characteristics described correspond to new roads outside urban areas and offering no local resident access; they therefore completely or partially exclude some categories of users or vehicles. As such, they are usually qualified as expressways. Adaptation of the characteristics to roads providing local resident access, without the systematic use of barriers to separate the opposing directions of travel, is not covered in this guide. Such adaptation has yet to be examined and its principle validated. The associated technical provisions, as well as those
relating to the re-examination of existing roads, may be addressed in subsequent publications.
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