Abstract
Continuous, automatic measurements of road traffic volume allow the obtaining of information on daily, weekly or seasonal fluctuations in road traffic volume. They are the basis for calculating the annual average daily traffic volume, obtaining information about the relevant traffic volume, or calculating indicators for converting traffic volume from short-term measurements to average daily traffic volume. The covid-19 pandemic has contributed to extensive social and economic anomalies worldwide. In addition to the health consequences, the impact on travel behavior on the transport network was also sudden, extensive, and unpredictable. Changes in the transport behavior resulted in different values of traffic volume on the road and street network than before. The article presents road traffic volume analysis in the city before and during the restrictions related to covid-19. Selected traffic characteristics were compared for 2019 and 2020. This analysis made it possible to characterize the daily, weekly and annual variability of traffic volume in 2019 and 2020. Moreover, the article attempts to estimate daily traffic patterns at particular stages of the pandemic. These types of patterns were also constructed for the weeks in 2019 corresponding to these stages of the pandemic. Daily traffic volume distributions in 2020 were compared with the corresponding ones in 2019. The obtained results may be useful in terms of planning operational and strategic activities in the field of traffic management in the city and management in subsequent stages of a pandemic or subsequent pandemics.
Highlights
The Highway Capacity Manual [1] usually distinguishes between volume and flow rate to measure the number of vehicles passing over a given point or section of a lane during a given time interval
The aim of the article is road traffic volume analysis in the selected city located in Poland before and during restrictions related to covid-19
This article analyzes the variability of the values of traffic volume in 2019 and 2020 at selected intersections located in Gliwice, Poland
Summary
The Highway Capacity Manual [1] usually distinguishes between volume and flow rate to measure the number of vehicles passing over a given point or section of a lane during a given time interval. Volume is the number of vehicles that pass a point for one hour [1,2,3,4]. Flow rate denotes the number of vehicles that pass a point through a time interval of less than 1 h (usually 15 min) but expressed as an equivalent hourly rate. Another relevant reference unit for road traffic analysis is the day or the average daily traffic, which is the ratio between the total volume and the duration (in days) of the analysis. Traffic research should be conducted on average working days such as Tuesday, Wednesday, and Thursday and average months such as
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