Design of cross-section on roads through built-up areas
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Publication date: 2012-09-30
Archives of Civil Engineering 2012;58(3):243-257
The research into the use of less costly modifications of road links and networks, and changes in the service of road surroundings aimed at ensuring an improvement of through traffic performance in suburban areas, and on roads passing through built-up areas as small localities, with application of simulation model, is presented in this paper. From among possible designs, the authors investigated and presented the effectiveness of two, i.e. implementation of an additional multifunctional median lane in the road cross-section, and construction of service roads with different locations of intersections (end or middle of the road section). The analysis is focused on the impact of such changes on traffic performance and road safety. The authors analysed travel speed, delay and share of platoon traffic on a uniform sections of the road for different types of road surroundings service. The study presents the results of analyses of road network before and after modification, and the assessment of: •impact of access points density and level of their use on road traffic performance, •impact of driving through road sections in built-up area on building platoon traffic, •impact of change in the cross-section type on traffic performance.
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