Question: a) With regards to the relationship between the sight distance and the length curve as established in Figure 4, determine the minimum length of

a) With regards to the relationship between the sight distance and the

a) With regards to the relationship between the sight distance and the length curve as established in Figure 4, determine the minimum length of the curve if the hazard is assumed to be at a height from the road surface equal to the eye height of the driver. Note that the driver's eye height is an average height and the algebraic difference in grades is in decimal form. (AP, 10) Stopping sight distance PT PC Hz H1 Length of curve Figure 4: Sight distance and curve length relation b) Specify the desirable values of the under listed cross sectional elements for an urban surface dressed single carriageway collector road in Ghana to be designed at a speed of 65km/hr (AP,5) i. Shoulder width ii. Camber iii. Lane width c) As the Municipal Engineer of Ga South Municipal Assembly, how would you improve the sight distances at the various intersections within the municipality? (CR,5)

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