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Application of passing sight distance in road design (CROSBI ID 661988)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Čutura, Boris ; Cvitanić, Dražen ; Lovrić, Ivan Application of passing sight distance in road design // Road and Rail Infrastructure V / Stjepan Lakušić (ur.). Zagreb: Građevinski fakultet Sveučilišta u Zagrebu, 2018. str. 1299-1304 doi: 10.5592/CO/CETRA.2018.744

Podaci o odgovornosti

Čutura, Boris ; Cvitanić, Dražen ; Lovrić, Ivan

engleski

Application of passing sight distance in road design

The regulations determine the minimum length of passing sight distance as the function of design speed. Researches have confirmed that passing sight distance has a positive impact on capacity for relatively low traffic volume. Recent researches show that the definition of passing capabilities as percentage of zones with forbidden passing (no passing zone) does not describe sufficiently well the real state. In this paper are presented the results of the research on the section of the main road (Vr = 80 km/h), which show that the minimum lengths of passing zones (passing sight distances) have very little effect evan at very low traffic flow rate. The basic parameter of the capacity analysis is PTSF (percent time spent following). By increasing the length of the passing distances, the positive impact increases significantly to a certain limit (optimum length). A further increase loses meaning (does not give a significant effect). The obtained results indicate that additional research could provide design guidance on optimum lengths of passing zone as the function of speed and traffic flow rate.

passing sight distance, optimal length, capacity analyses, PTSF

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Podaci o prilogu

1299-1304.

2018.

objavljeno

10.5592/CO/CETRA.2018.744

Podaci o matičnoj publikaciji

Road and Rail Infrastructure V

Stjepan Lakušić

Zagreb: Građevinski fakultet Sveučilišta u Zagrebu

978-953-8168-25-3

1848-9850

Podaci o skupu

5th International Conference on Road and Rail Infrastructure (CETRA 2018)

predavanje

17.05.2018-19.05.2018

Zadar, Hrvatska

Povezanost rada

Građevinarstvo, Tehnologija prometa i transport

Poveznice
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