All Outputs (8)

Modelling Cycling Flow for the estimation of cycling risk at a meso urban spatial level (2018)
Journal Article
Meade, S., & Stewart, K. (2018). Modelling Cycling Flow for the estimation of cycling risk at a meso urban spatial level. Transportation Research Procedia, 34, 59-66. https://doi.org/10.1016/j.trpro.2018.11.014

One of the prevailing challenges in cycling research, or indeed any vulnerable road user research, is the availability of data to ascertain a representative level of 'exposure' or simply how much cycling there is – " when and where ". Therefore, it i... Read More about Modelling Cycling Flow for the estimation of cycling risk at a meso urban spatial level.

Dynamic congestion charging: Investigating boundary effects when applying low-revenue tolls. (2015)
Journal Article
Stewart, K., & Ge, Y. (2015). Dynamic congestion charging: Investigating boundary effects when applying low-revenue tolls. International Journal of Transportation, 3(2), 17-30

This paper investigates the impact of realistic congestion charging regimes where undesired boundary effects of imposing charges may occur and may be both temporal and spatial. Tolling regimes are developed with the primary aim to reduce system cost... Read More about Dynamic congestion charging: Investigating boundary effects when applying low-revenue tolls..

Investigating boundary effects of congestion charging in a single bottleneck scenario (2015)
Journal Article
Ge, Y., Stewart, K., Liu, Y., Tang, C., & Liu, B. (2015). Investigating boundary effects of congestion charging in a single bottleneck scenario. Transport, 1-15

This paper investigates the impact of realistic congestion charging regimes where undesired boundary effects of imposing charges may occur and may be both temporal and spatial. Tolling regimes are developed with the primary aim to reduce system co... Read More about Investigating boundary effects of congestion charging in a single bottleneck scenario.

Optimising time-varying network flows by low-revenue tolling under dynamic user equilibrium. (2014)
Journal Article
Stewart, K., & Ge, Y. (2014). Optimising time-varying network flows by low-revenue tolling under dynamic user equilibrium. European journal of transport and infrastructure research, 14, 30-45

This paper presents a dynamic congestion charging framework that includes a dynamic user equilibrium (DUE) network model to optimize a tolling scheme, whose objective(s) may be determined by the transport planner. The framework presented may be utili... Read More about Optimising time-varying network flows by low-revenue tolling under dynamic user equilibrium..

Investigating undesired spatial and temporal boundary effects of congestion charging (2014)
Journal Article
Ge, Y., Stewart, K., Sun, B., Ban, X., & Zhang, S. (2016). Investigating undesired spatial and temporal boundary effects of congestion charging. Transportmetrica B: Transport Dynamics, 4(2), 135-157. https://doi.org/10.1080/21680566.2014.961044

Two types of reported problems are related to the existing congestion charging projects that levy traffic only in a certain area within one or a few time periods during the day. One is that travellers depart earlier or later than a charging period to... Read More about Investigating undesired spatial and temporal boundary effects of congestion charging.

Cycle lanes: their effect on driver passing distances in urban areas. (2014)
Journal Article
Stewart, K., & McHale, A. (2014). Cycle lanes: their effect on driver passing distances in urban areas. Transport, 29(3), 307-316. https://doi.org/10.3846/16484142.2014.953205

The current literature in the field of cycle lanes has often shown contradictory evidence as to the benefits and risks of cycle lanes and previous work has specifically shown that on higher speed roads, drivers may pass closer to a cyclist when a cyc... Read More about Cycle lanes: their effect on driver passing distances in urban areas..

Tolling traffic links under stochastic assignment: Modelling the relationship between the number and price level of tolled links and optimal traffic flows (2007)
Journal Article
Stewart, K. (2007). Tolling traffic links under stochastic assignment: Modelling the relationship between the number and price level of tolled links and optimal traffic flows. Transportation Research Part A: Policy and Practice, 41(7), 644-654. https://do

The classical road-tolling problem is to toll network links such that under the principles of Wardropian User Equilibrium Assignment a System Optimising (SO) flow pattern is obtained. Stochastic assignment methods are accepted to be more realistic th... Read More about Tolling traffic links under stochastic assignment: Modelling the relationship between the number and price level of tolled links and optimal traffic flows.

Stochastic social optimum traffic assignment (2005)
Journal Article
Maher, M., Stewart, K., & Rosa, A. (2005). Stochastic social optimum traffic assignment. Transportation Research Part B: Methodological, 39(8), 753-767. https://doi.org/10.1016/j.trb.2004.10.001

This paper formulates a Stochastic Social Optimum (SSO) that relates to the Stochastic User Equilibrium (SUE) in the same way as the Social Optimum (SO) relates to the User Equilibrium (UE) in a deterministic environment. At the SSO solution, the tot... Read More about Stochastic social optimum traffic assignment.