Abstract
Summary. This paper is a case study, which among other things includes the analysis of the three roundabouts entry capacity: a turbo- and two spiral-roundabouts. These intersections are located in one of the main road localised in Sosnowiec city (Poland). Before reconstruction, this road was characterised by unfavourable road and traffic conditions, insufficient capacity and low traffic safety level. The traffic congestion decreased significantly, traffic and road conditions, as well as the level of road traffic safety, were improved after the rebuilding of this route and the designing of three roundabouts on it. Results obtained from field measurements enabled comparative analysis of theoretical and empirical capacity values: lanes on the entry of turbo-roundabout and entries of the spiral-roundabout. This paper presents also characteristics of turbo- and spiral-roundabouts with methods, which are dedicated to entry capacity calculation.
| Original language | English |
|---|---|
| Pages (from-to) | 139-156 |
| Number of pages | 18 |
| Journal | Scientific Journal of Silesian University of Technology. Series Transport |
| Volume | 105 |
| DOIs | |
| Publication status | Published - 2019 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being -
SDG 11 Sustainable Cities and Communities
Keywords
- Methods of capacity calculation
- Spiral-roundabouts
- Traffic conditions
- Turbo-roundabouts
ASJC Scopus subject areas
- Civil and Structural Engineering
- Automotive Engineering
- Aerospace Engineering
- Transportation
- Mechanical Engineering
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