Answer :
Final answer:
When designing a cul-de-sac, it is important to consider the radius of the junction curves, the radius of the cul-de-sac, and the width of the right-of-way. The given design requires a cul-de-sac with 25' radius junction curves, a 60' radius cul-de-sac, and a 60' wide right-of-way subdivision collector street.
Explanation:
When designing a cul-de-sac, it is important to consider the radius of the junction curves, the radius of the cul-de-sac, and the width of the right-of-way. The radius of the junction curves determines how smoothly vehicles can transition from the cul-de-sac to the connecting streets. In this case, the given radius for the junction curves is 25 feet.
The cul-de-sac radius, which is the radius of the circular portion of the cul-de-sac, is given as 60 feet. This radius affects the turning radius for vehicles within the cul-de-sac. A larger radius allows for easier maneuverability for larger vehicles.
The right-of-way width, which is the width of the road and any additional features, is given as 60 feet. This width determines the space available for the road and any sidewalks, landscaping, or other features within the right-of-way.
By considering these design requirements, a cul-de-sac can be designed to ensure safe and efficient traffic flow within the cul-de-sac and the surrounding subdivision.
Learn more about designing a cul-de-sac with specific radius junction curves here:
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