Sołowczuk, A.; Majer, S. Design Study for the Construction of Turbo Roundabouts under Constrained Site Conditions. Sustainability2023, 15, 13220.
Sołowczuk, A.; Majer, S. Design Study for the Construction of Turbo Roundabouts under Constrained Site Conditions. Sustainability 2023, 15, 13220.
Sołowczuk, A.; Majer, S. Design Study for the Construction of Turbo Roundabouts under Constrained Site Conditions. Sustainability2023, 15, 13220.
Sołowczuk, A.; Majer, S. Design Study for the Construction of Turbo Roundabouts under Constrained Site Conditions. Sustainability 2023, 15, 13220.
Abstract
Turbo-roundabouts are one of the most frequently recommended road junction design options when it comes to increasing traffic capacity and traffic safety. This is in particular true of suburban areas, with dominant traffic flow on the main road and moderate traffic flow on the side road. Other intersections handling local traffic and considerably constricting the availability of space are usually located in the vicinity of such intersections. Another factor contributing to less availability of land for construction in these locations is the presence of surrounding residential housing. Then choosing the suitable turbo-roundabout type becomes the main issue. The article presents a case study for the selection of a type of turbo roundabout under the conditions of considerably constricted land availability, based on analyses of provision of swepth path for the chosen design vehicles. The article considers the typical Egg type turbo roundabouts, "flattened" turbo roundabouts and ellipse based roundabouts, with unconventional geometries of the truck apron and central island. For each of the analysed roundabout types setting out methods were described in detail, which enable designers to quickly select a type of roundabout suitable for specific constrained site conditions.
Engineering, Architecture, Building and Construction
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
