Measurements of urban traffic parameters before and after road reconstruction

The study analyzed the parameters of vehicle traffic and noise on the national road in the section in the city from 2011 to 2016. In 2013–2014 this road was reconstructed. It was found that in most cases, the distribution of the tested variable was not normal. The median and selected percentiles of...

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Autores principales:	Bąkowski Andrzej, Radziszewski Leszek
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	urban traffic flow equations urban noise monitoring station vehicle speed distribution cnossos-eu model validation Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/93d82a5c7f294da59c5b456ecb0b07cf
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spelling	oai:doaj.org-article:93d82a5c7f294da59c5b456ecb0b07cf2021-12-05T14:10:46ZMeasurements of urban traffic parameters before and after road reconstruction2391-543910.1515/eng-2021-0035https://doaj.org/article/93d82a5c7f294da59c5b456ecb0b07cf2021-01-01T00:00:00Zhttps://doi.org/10.1515/eng-2021-0035https://doaj.org/toc/2391-5439The study analyzed the parameters of vehicle traffic and noise on the national road in the section in the city from 2011 to 2016. In 2013–2014 this road was reconstructed. It was found that in most cases, the distribution of the tested variable was not normal. The median and selected percentiles of vehicle traffic parameters and noise were examined. The variability and type A uncertainty of the results were described and evaluated. The results obtained for the data recorded on working and non-working days were compared. The vehicle cumulative speed distributions, for two-way four-lane road segments in both directions were analyzed. A mathematical model of normalized traffic flow has been proposed. Fit factor R2 of the proposed equations to the experimental data for passenger vehicles ranges from 0.93 to 0.99. It has been shown that two years after the road reconstruction, the median noise level did not increase even though traffic volumes and vehicle speeds increased. The Cnossos noise model was validated for data recorded over a period of 6 years. A very good agreement of the medians determined according to the Cnossos-EU model and the measured ones was obtained. It should be noted, however, that for the other analyzed percentiles, e.g. 95%, the discrepancies are larger.Bąkowski AndrzejRadziszewski LeszekDe Gruyterarticleurban traffic flow equationsurban noisemonitoring stationvehicle speed distributioncnossos-eu model validationEngineering (General). Civil engineering (General)TA1-2040ENOpen Engineering, Vol 11, Iss 1, Pp 365-376 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	urban traffic flow equations urban noise monitoring station vehicle speed distribution cnossos-eu model validation Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	urban traffic flow equations urban noise monitoring station vehicle speed distribution cnossos-eu model validation Engineering (General). Civil engineering (General) TA1-2040 Bąkowski Andrzej Radziszewski Leszek Measurements of urban traffic parameters before and after road reconstruction
description	The study analyzed the parameters of vehicle traffic and noise on the national road in the section in the city from 2011 to 2016. In 2013–2014 this road was reconstructed. It was found that in most cases, the distribution of the tested variable was not normal. The median and selected percentiles of vehicle traffic parameters and noise were examined. The variability and type A uncertainty of the results were described and evaluated. The results obtained for the data recorded on working and non-working days were compared. The vehicle cumulative speed distributions, for two-way four-lane road segments in both directions were analyzed. A mathematical model of normalized traffic flow has been proposed. Fit factor R2 of the proposed equations to the experimental data for passenger vehicles ranges from 0.93 to 0.99. It has been shown that two years after the road reconstruction, the median noise level did not increase even though traffic volumes and vehicle speeds increased. The Cnossos noise model was validated for data recorded over a period of 6 years. A very good agreement of the medians determined according to the Cnossos-EU model and the measured ones was obtained. It should be noted, however, that for the other analyzed percentiles, e.g. 95%, the discrepancies are larger.
format	article
author	Bąkowski Andrzej Radziszewski Leszek
author_facet	Bąkowski Andrzej Radziszewski Leszek
author_sort	Bąkowski Andrzej
title	Measurements of urban traffic parameters before and after road reconstruction
title_short	Measurements of urban traffic parameters before and after road reconstruction
title_full	Measurements of urban traffic parameters before and after road reconstruction
title_fullStr	Measurements of urban traffic parameters before and after road reconstruction
title_full_unstemmed	Measurements of urban traffic parameters before and after road reconstruction
title_sort	measurements of urban traffic parameters before and after road reconstruction
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/93d82a5c7f294da59c5b456ecb0b07cf
work_keys_str_mv	AT bakowskiandrzej measurementsofurbantrafficparametersbeforeandafterroadreconstruction AT radziszewskileszek measurementsofurbantrafficparametersbeforeandafterroadreconstruction
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Measurements of urban traffic parameters before and after road reconstruction

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