Abstract
The traffic paradox "faster is slower" does not always apply. To study when and where it is valid, a simulation for a real road segment is performed using a novel cellular automaton. This simulation is used to analyze the change in global traffic flow status during free lane-changing behavior under general urban traffic conditions. The impact of lane-changing behavior is quantified into two aspects, time and space, and are described by average delay and transitable flow, respectively. Then surfaces are obtained, which adopt the arriving probability of vehicles and the green ratio as dual independent variables. Thus by the comparison of two surfaces, free lane-changing and straight proceeding, the horizontal projection of the intersecting lines is solved. Finally, the range of occurrence and reasons for the paradox are analyzed.
| Original language | English |
|---|---|
| Pages (from-to) | 90-102 |
| Number of pages | 13 |
| Journal | Physica A: Statistical Mechanics and its Applications |
| Volume | 428 |
| DOIs | |
| State | Published - 15 Jun 2015 |
| Externally published | Yes |
Keywords
- Cellular automaton
- Critical boundary
- Free lane-changing
- Road segment
- Traffic paradox
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