A Speed Prediction Model for New Zealand Highways

by Christopher R. Bennett, N. D. Lea Int (NZ) Ltd, Kumeu, New Zealand,
Roger C. M. Dunn, N. D. Lea Int (NZ) Ltd, Kumeu, New Zealand,



Document Type: Proceeding Paper

Part of: Computing in Civil Engineering

Abstract: This paper outlines a limiting speed model using probabilistic techniques to simulate the different types of vehicles and their performance along a two-lane rural highway. The road to be analyzed is divided into a series of discrete sections. For each vehicle, the limiting speed on each section is determined. The actual speeds are then predicted as the vehicle travels along the road based on the limiting speeds and the attainable vehicle performance. This results in a unique speed profile for each vehicle in the traffic stream travelling along each road section. The model will also give the mean, standard deviation and other pertinent data at different points along the road.

Subject Headings: Highways and roads | Data processing | Traffic models | Computer models | Simulation models | Mathematical models | Vehicles | Probability | New Zealand

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