Junction Design Theory: 8 Tapers Theory

Описание: This video explains road design tapers for guiding drivers to auxiliary lanes. It covers their purpose, taper ratios, and four types: straight, partial tangent, symmetrical reverse curve, and asymmetrical reverse curve. Straight and partial tangent tapers are most common, with reverse curve tapers used for low-speed, longer sections.

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00:00 Intro
00:16 Tapers and their importance.
00:44 What tapers are and their purpose.
01:06 Taper ratios.
02:43 Four types of tapers introduced.
03:02 Focus on straight and partial tangent tapers.
03:44 Detailed straight line taper explanation.
04:49 Introduction to reverse curve tapers.
05:44 Symmetrical and asymmetrical reverse curves.
06:22 When reverse curve tapers are suitable.
06:55 Mention of future lesson on taper design.