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T.P.D.M.V.2.*<br />

Example of Use of Priority JunctionCapacity Equation<br />

1* It is required to examine the feasibility of a priority junction at<br />

the T-Junction between two S2 roads.<br />

2. The traffic information available from the traffic model indicates<br />

that the design year flows at the junction would be :<br />

600<br />

nn<br />

r<br />

«;n<br />

Flow in p»c.u./hr.<br />

3. A layout is prepared based on a shadow island design and the initial<br />

layout has the following geometric parameters :<br />

W = 7*3<br />

CR<br />

w c-b<br />

= 0 (because no kerbed central median)<br />

= 3.5<br />

W, = 4.0<br />

b-c<br />

w,_ = 4*0<br />

b-a<br />

V .<br />

C~D<br />

a 250.0 major road<br />

V<br />

r<br />

= 200 minor road<br />

V, = 200 minor road

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