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Average speed comes in from the cold
Since the first speed camera was introduced in west London in 1992 there has been a proliferation of fixed speed sites across the UK. Jason Stonier, lead engineer at Siemens Mobility and Logistics, reports [...]
Optimum Principle For Calculating The Minimum Probability Of Congestion
This paper discusses an optimum principle for traffic and transportation networks with road bottlenecks introduced by the author recently [B.S. Kerner, J. Phys. A: Math. Theor. 44, 092001 (2011)]. This network breakdown minimisation [...]
The capacity of a priority intersection - two approaches
The exploration of two varied methods of approach to intersection design based on research in 1982
The 'Rule of Three': A possible solution to the political problem of competing objectives for road pricing
Twenty-five years ago (1969)the Smeed Report said that road pricing was technically feasible and enviornmentally desirable. Current (1989) technical developments in electronics and concerns with the enviornmental effects of traffic, reinforce that [...]
Traffic restraint in Singapore: 1. Measuring the effects of the the Area Licence Scheme; and 2. Some design factors in traffic pricing schemes
How measuring traffic flow measurements and vehicle speed measurements can monitor the impacts of the Area Licence Scheme in Singapore.
On The Reasonableness Of Traffic Forecasts
It is difficult to approach the topic of this short paper without commenting on overconfidence. Range estimation is popular in many disciplines where professionals, facing uncertainty, estimate possible outcome ranges. Where estimates [...]
A Study Of TomTom’s Probe Vehicle Data With Threephase Traffic Theory
In this article, TomTom’s GPS and GSM (Vodafone data) probe vehicle data that are used in TomTom’s HD-traffic for vehicle navigation are analysed. We find that the data allows us to reconstruct the structure of traffic patterns with a much [...]
Signalling Change
LinSig has been the traffic signal design tool of choice in the UK for over 25 years and during this period has undergone significant development and improvement. The most recent version – LinSig3 – when released in June 2009 introduced a range [...]
Development and applications of traffic simulation models at the Karlsruhe Institut fur Verkehrswesen
This paper is based on two decades of research by the Karlsruhe Instituit fur Verkehrwesen on applying simulations models of traffic flow.The paper discusses the general philosophy behind the development of traffic simulation models in order to [...]
Assessment of the impact of cyclists on heterogeneous traffic
Heterogeneous traffic conditions are normally associated with some developing countries but they are becoming more common in Central London because of the rise in the number of two-wheelers. This paper describes a first attempt to model twowheelers [...]

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