An Application of Expert Systems to Traffic Signal Control
Signal Control at Isolated Intersections (SCII) has been developed to emulate an adaptive controller using AI technology. It is an application of expert systems to the real-time traffic...
Advanced Software Design and Standards for Traffic Control
Improved traffic traffic management and control systems are widely reported to be cost effective investments [Neudorff 88, Kessmann 85]. However, many hardware and software obstacles have...
Error Rate Measurements of RDS-FM Transmissions Application to an RDS-Beacon
The Radio Data System is now commonly implemented on many European VHF-FM broadcasting transmitters. RDS provides for the transmission of a silent data channel on existing VHF-FM radio...
Fiber Optic Communication Systems for Freeway Traffic Management
The communication requirements of freeway traffic management systems (FTMS) can be effectively met by systems which utilize fiber optic cables and associated equipment. This paper discusses...
Traffic Control System on the Hanshin Expressway
The Hanshin Expressway Public Corporation, Osaka, Japan has been developing and operating its automated traffic control system since 1969. This paper deals with the latest version of the...
Computer Aided Engineering Analysis for Transportation Links ? Management Options
CAD applications on Engineering Analysis have proved very effective in view of its wide applicability & the conceptualization power of interactive computer graphics (ICG). Transportation...
Design for IVHS Safety: Technology Assessment
The development of an Intelligent Vehicle/Highway System (IVHS) will require methodologies for predicting and controlling system safety. In principle, these methodologies should include...
Taming the Silicon Steed?Perceptions of Risk
This paper draws from contemporary research in the psychological literature to argue that transportation engineers and decision makers should consider the issue of perceived risk when...
Exploring Headsup Displays for Driver Workload Management in Intelligent Vehicle Highway Systems
New transportation system provide more information to drivers to improve their effectiveness in tasks like routing, avoiding congestion. We are examining the headsup displays as means...
Infrared Detector Developments
Modern road transport systems rely on information from sensors to operate safely and efficiently. The sensors are typically used to provide vehicle counting, occupancy, speed measurement...
The California Inductive Loop Radio Demonstration Project
There is growing interest at both the national and international level in the application of new technologies to the highway system. While many of these new technologies are revolutionary...
Dynamic Route Guidance?The Drive Project CAR-GOES
The DRIVE project CAR-GOES has studied strategies for integrating road traffic management and central systems for dynamic route guidance and traffic signal control. This paper summarises...
Car Wars?The DOTs Strike Back
HNTB is developing integrated computer systems utilizing standard hardware and software platforms coupled with graphical user interfaces for traffic management systems (TMS). Rapid, user-friendly...
A Catastrophe Theory Approach to Freeway Incident Detection
This paper discusses an approach to incident detection on freeways that classifies traffic conditions at a single station rather than by comparing conditions at adjacent stations. The...
A Real-Time Traffic Diversion Model: A Conceptual Approach
The development of a real-time traffic diversion control system for integrated freeway and arterial networks, as part of the most currently envisioned Intelligent Vehicle/Highway System...
A New Approach for Real-Time Prediction of Traffic Demand-Diversion in Freeway Corridors
An adaptive method is developed for real-time prediction of demand and diversion of traffic flow at on-ramp areas of freeway corridors. The prediction method explicitly treats the time-variant...
Dynamic Estimation of Freeway Demand Patterns and a Stochastic Programming Approach to Freeway Ramp Metering
Controlling the rate at which vehicles are allowed to enter a freeway from the freeway's on-ramps has become a standard method for reducing the impact of both recurring and...
Contact-Free IC Cards for New Railway Ticket Systems
Two types of smart cards which can communicate with an automatic gate machine without contact are developed. The first one uses medium wave radio as communication media. The microprocessor...
Fault-Tolerant Computing Architecture for MF 88 and MP 89 Rolling Stock
For several years now, the French and the foreign railway industries have witnessed the development of a new generation of on-board computer systems for rolling stock. It mainly features...
Vehicle Lateral Guidance Using a DSP Based Vision System
A practical real-time vision system system which uses a digital signal processing chip to obtain a tracking error for lateral guidance of vehicles at highway speeds is presented. Minor...
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