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40. AASHTO assumes a deceleration value in calculating SSD of: a. 14 ft /sec2 b. 11.2 ft /sec2 c. 9.6 ft /sec2 d. 10.2 ft /sec2
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40. AASHTO assumes a deceleration value in calculating SSD of:

a. 14 ft /sec2
b. 11.2 ft /sec2
c. 9.6 ft /sec2
d. 10.2 ft /sec2

User Thebitguru
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1 Answer

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AASHTO assumes a deceleration value in calculating stopping sight distance (SSD) of B. 11.2 ft/s^2. This doesn't take any road defects into account.

User Learnings
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