The problem of poor quality of traffic accident data assembled in national databases has been addressed in European project InDeV. Vulnerable road users (pedestrians, cyclists, motorcyclists and moped riders) are especially affected by underreporting of accidents and misreporting of injury severity. Analyses of data from the European CARE database shows differences between countries in accident number trends as well as in fatality and injury rates which are difficult to explain. A survey of InDeV project partners from 7 EU countries helped to identify differences in their countries in accident and injury definitions as well as in reporting and data checking procedures. Measures to improve the quality of accident data are proposed such as including pedestrian falls in accident statistics, precisely defining minimum injury and combining police accident records with hospital data.

One of the basic parameters which describes road traffic is Annual Average Daily Traffic (AADT). Its accurate determination is possible only on the basis of data from the continuous measurement of traffic. However, such data for most road sections is unavailable, so AADT must be determined on the basis of short periods of random measurements. This article presents different methods of estimating AADT on the basis of daily traffic (VOL), and includes the traditional Factor Approach, developed Regression Models and Artificial Neural Network models. As explanatory variables, quantitative variables (VOL and the share of heavy vehicles) as well as qualitative variables (day of the week, month, level of AADT, the cross-section, road class, nature of the area, spatial linking, region of Poland and the nature of traffic patterns) were used. Based on comparisons of the presented methods, the Factor Approach was identified as the most useful.

Traffic related noise is currently considered as an environmental pollution. Paper presents results of multidirectional study attempting to serve urban traffic without the need to erect noise barriers interfering urban space. Initial concept of the road expansion included construction of 1000 m of noise barriers dividing city space. Improvement in the acoustic conditions after construction completion is possible due to the applied noise protection measures: vehicle speed limit, smooth of traffic flow, use of road pavement of reduced noise emission and the technical improvement of the tramway.

Hydraulika środowiskowa to poddziedzina mechaniki płynów badająca zagadnienia ruchu wody oraz procesy transportu zachodzące w naturalnych i regulowanych ciekach wodnych. Metody stosowane do oceny oporu przepływu w sztucznych kanałach mogą być także z powodzeniem stosowane w odniesieniu do naturalnych cieków.

Artykuł poświęcony jest analizie procesu formowania i przekształcania się polskich ruchów miejskich. Autor swoje wnioski wyprowadza na bazie projektu badawczego: „Miejskie ruchy społeczne w Polsce”, w ramach którego zrealizował 30 wywiadów pogłębionych z liderami i liderkami ruchów miejskich z różnych miast. W swojej analizie autor wskazuje na dwie fazy rozwoju polskich ruchów miejskich. Pierwszą formacyjną z lat 2007–2014 zorientowaną głównie na kwestię tzw. wynajdywania miejskości oraz drugą po 2014 roku, kiedy to krystalizuje się tożsamość ruchu społecznego i zaczyna on nabierać charakteru politycznego.

This article deals with the influence of the maritime pilot on safety of navigation. The role of the pilot is somewhat marginalized, although his activity is directly related to ensuring the safety of navigation in sea ports, protection of the marine environment and minimizing the risk of collision with ships and port infrastructure. Pilot services have been entrusted to private entrepreneurs who meet certain legal requirements and are subject to supervision by the maritime administration. The article contains a reference to the decisions of the Maritime Chamber in Gdańsk in a case, in which the maritime pilot contributed to an accident in the port of Gdańsk and the analysis of these decisions in the context of the role of the pilot in the safety of navigation in port.

The author investigated traffic flow quality on a new 2+1 long road bypass with an exceptionally high share of heavy vehicles in order to assess rational limits of heavy vehicle shares in traffic flow, dependent on the length of the 2+1 road and the number of passing segments in each direction. This paper presents the results of traffic flow quality analyses through the use of empirical and simulation methods for a single 2+1 road segment with additional passing lanes, as well as for the study of the entire section of the bypass – 2+1 road. Variables include analysis of travel speed distribution, platoon traffic, and amount of passing maneuvers. Results show that large passing demands lead to very high speeds (over 100 km/h) on segments with additional passing lanes. The conclusions include remarks related to the use and operation of 2+1 cross-sections with high shares of heavy vehicles.

In recent years adverse processes of suburbanization have been observed in cities. It has become a serious challenge for urban and transport planners, as it influences largely the quality of space, the quality of life, and the cost of running the city. This paper is dedicated to travel models in areas serviced by a railway system, and is based on a real-life survey example of the Błonie community, a district belonging to the Warsaw metropolitan area. Research carried out in 2014 focused on combined travels behaviors recorded using GPS locators as well as quantitative research (volumes of users across various transport systems).

The Catholic image of Martin Luther in the course of the centuries evolved from the literally negative one during the time of the Reformation and the centuries that followed, through the theological attempts and historically in-depth analyses inspired by the ecumenical movement up to contemporary acceptance of several theological postulates. Contemporary movements of Roman-Catholic thinking of Luther well summarize historically vulnerable and dogmatically deepened opinions of the recent popes: John Paul II, Benedict XVI and Francis. Following the agreement texts of the Lutheran-Catholic Commission at the world forum, ecumenically open popes can find out in Martin Luther a profoundly religious man, the witness of the Gospel whose theological thought is still relevant and a challenge for the presently secularized world.

Ludzie coraz mniej wierzą nauce, a coraz bardziej wiedzy – mówiąc eufemistycznie – popularnej. Jakie są tego efekty?