Transition Curves for Speed Changes

by Jacob Greenstein, Lect. in Civ. Engrg.; Bruner Inst. of Transportation, Technion-Israel Inst. of Tech., Haifa, Israel,

Serial Information: Transportation Engineering Journal of ASCE, 1976, Vol. 102, Issue 4, Pg. 699-713

Document Type: Journal Paper


Mathematical models are presented for the computation of transition curves suitable for speed changes. These models are practical for application by means of computer programs. Application is presented by two different models: (1)The rate of increase of centripetal acceleration is constant; and (2)the rate of increase of the lateral ratio (sideways force) is constant. Speed changes cause differences in transition curves in comparison with the common clothoid.

Subject Headings: Computer models | Mathematical models | Curvature | Lateral forces | Computer software | Comparative studies

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