Properties of Link Travel Time Functions Under Dynamic Loads

PROPERTIES OF LINK TRAVEL TIME FUNCTIONS UNDER DYNAMIC LOADS

Carlos F. Daganzo

Department of Civil Engineering and
Institute of Transportation Studies
University of California, Berkeley CA 94720

(July 2, 1993)
(Revised February 4, 1994)

ABSTRACT

This note examines a general form of link travel time functions considered in the dynamic traffic assignment literature and shows that it only makes some physical sense in the special case where each function denotes either a link with no spatial dimension containing a point queue, or a link with constant travel time and no queueing. Roadway segments exhibiting both phenomena must be represented by two links in series.

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PROPERTIES OF LINK TRAVEL TIME FUNCTIONS UNDER DYNAMIC LOADS

Carlos F. Daganzo Department of Civil Engineering and Institute of Transportation Studies University of California, Berkeley CA 94720 (July 2, 1993) (Revised February 4, 1994)

ABSTRACT

Document maintained on server: http://www.ce.berkeley.edu/ Last update 6/11/96

Carlos F. Daganzo

Department of Civil Engineering and
Institute of Transportation Studies
University of California, Berkeley CA 94720

(July 2, 1993)
(Revised February 4, 1994)

Document maintained on server: http://www.ce.berkeley.edu/
Last update 6/11/96