Heather Kaths
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View article: Is it cycling culture? Explaining regional bicycle use in Denmark and Germany using a joint trip-level mode choice model
Is it cycling culture? Explaining regional bicycle use in Denmark and Germany using a joint trip-level mode choice model Open
Promoting active mobility can enhance health, reduce greenhouse gas emissions, and create more liveable cities. The choice to use active mobility for a trip, namely whether to walk or cycle instead of other modes, is known to be influenced…
View article: Mapping Bicycle Traffic Flow Across the Width of a Bicycle Path to Inform Facility Design
Mapping Bicycle Traffic Flow Across the Width of a Bicycle Path to Inform Facility Design Open
As cycling continues to grow in popularity, the volume of bicycle traffic is increasing in many metropolitan areas. To accommodate this trend, a shift from supply-oriented to demand-oriented design approaches will be necessary. This shift …
View article: Exploring free riding behavior: An instrumented bicycle study on the impact of infrastructure and wind on bicycling
Exploring free riding behavior: An instrumented bicycle study on the impact of infrastructure and wind on bicycling Open
Understanding free riding behavior—where bicyclists are unconstrained by other road users or traffic control measures—is essential for planning efficient and appealing bicycle traffic systems. Bicyclist behavior is shaped by a combination …
View article: Will e-bikes revolutionize urban mobility? Development and application of a transport model differentiating between conventional and electric bicycle traffic
Will e-bikes revolutionize urban mobility? Development and application of a transport model differentiating between conventional and electric bicycle traffic Open
Increasing cycling is crucial for building sustainable cities. Electric bicycles reduce the physical effort required for cycling, particularly in hilly areas and for individuals with limited strength, contributing to lower car use and prom…
View article: Just another bike? Modelling the interdependence of conventional and electric bicycle ownership and the influence of topography using large-scale travel survey data from Germany
Just another bike? Modelling the interdependence of conventional and electric bicycle ownership and the influence of topography using large-scale travel survey data from Germany Open
Electrical bicycle ownership rates are growing rapidly. Despite differences to conventional cycling, the two types of bicycles are generally not differentiated in travel demand modelling practice. This article analyses the choices to own e…
View article: Crossing intersections: A tool for investigating road user pathways
Crossing intersections: A tool for investigating road user pathways Open
The pathways used by cyclists, pedestrians, and users of micromobility to cross intersections do not always align with those planned by traffic engineers. Observing actual usage patterns could lead to a better understanding of the tactical…
View article: A movement and interaction model for cyclists and other non-lane-based road users
A movement and interaction model for cyclists and other non-lane-based road users Open
Cyclists and other types of road users who do not adhere to lane discipline pose a challenge in microscopic traffic simulation. In most software, the models are adapted to increase the lateral flexibility of road users, either through intr…
View article: State of Bicycle Modeling in SUMO
State of Bicycle Modeling in SUMO Open
Microscopic traffic simulation tools provide ever-increasing value in the design and implementation of motor vehicle transport systems. Research and development of automated and intelligent technologies have highlighted the usefulness of s…
View article: Framework for Simulating Cyclists in SUMO
Framework for Simulating Cyclists in SUMO Open
Cyclists pose an interesting challenge in the microscopic modeling and simulation of urban traffic. Like motorists, cyclists can move on roadways, tend to have one main axis of movement (longitudinal), and cannot change their velocity inst…
View article: Review of Current Practice and Research on E-Bikes in Transport Models
Review of Current Practice and Research on E-Bikes in Transport Models Open
E-bike sales have been growing strongly across the globe in recent years. Despite the differences between e-bikes and conventional bicycles, bicycle traffic is typically considered a uniform mode in macroscopic transport modeling. This is …
View article: Data-Driven Scenario Specification for AV–VRU Interactions at Urban Roundabouts
Data-Driven Scenario Specification for AV–VRU Interactions at Urban Roundabouts Open
Detailed specifications of urban traffic from different perspectives and scales are crucial for understanding and predicting traffic situations from the view of an autonomous vehicle (AV). We suggest a data-driven specification scheme for …
View article: Calibrating the Wiedemann 99 Car-Following Model for Bicycle Traffic
Calibrating the Wiedemann 99 Car-Following Model for Bicycle Traffic Open
Car-following models are used in microscopic simulation tools to calculate the longitudinal acceleration of a vehicle based on the speed and position of a leading vehicle in the same lane. Bicycle traffic is usually included in microscopic…
View article: Traffic Simulation Analysis of Bicycle Highways in Urban Areas
Traffic Simulation Analysis of Bicycle Highways in Urban Areas Open
The ongoing increase of bicycle traffic in urban areas forces transport authorities to reconsider the space allocation for different transport modes. Transport policies favor the introduction of high-quality bicycle infrastructure along ur…
View article: Introducing the Effect of Bicyclist Stabilization Control in Microscopic Traffic Simulation
Introducing the Effect of Bicyclist Stabilization Control in Microscopic Traffic Simulation Open
A bicycle dynamics model is developed that introduces characteristics of the bicycle dynamics in microscopic traffic simulation. The model alters the lateral position of simulated bicycles in space due to the stabilization efforts of the s…
View article: Modelling Bicycle Infrastructure in SUMO
Modelling Bicycle Infrastructure in SUMO Open
Bicycle traffic is becoming an increasingly important part of urban traffic. Thus, the simulation and accurate representation of bicycle traffic in microscopic traffic simulation software is gaining importance. As bicycle traffic increases…
View article: Analyzing the behavior of bicyclists using a bicycle simulator with a coupled SUMO and DYNA4 simulated environment
Analyzing the behavior of bicyclists using a bicycle simulator with a coupled SUMO and DYNA4 simulated environment Open
Operational behavior models are used in traffic simulations to represent the subconscious, short-termdecisions made by road users to respond to other road users, the infrastructure and traffic control measures. Calibration and validation o…
View article: Designing maps with fictional and real road intersections for the evaluation of countdown timer displays for bicyclists
Designing maps with fictional and real road intersections for the evaluation of countdown timer displays for bicyclists Open
Urban environments are more or less characterized by active travel modes, including the bicycle usage. Present transport infrastructure for bicyclists can often not serve the high traffic volumes, especially in rush hours. Therefore, intro…
View article: A bicycle simulator for experiencing microscopic traffic flow simulation in urban environments
A bicycle simulator for experiencing microscopic traffic flow simulation in urban environments Open
Urban environments often imply complex transportation infrastructures with manifold different traffic participant using various modes of transport. These traffic participants interact with each other in different ways, often in specific pa…