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Question: a twolane rural highway fourleg intersection will have its stop...

Question details

A two-lane rural highway, four-leg intersection will have its stop control replaced by a signal control. Compute the expected average total crash frequency (all types, all severities) after the change for the following conditions: 


Expected average crash frequency before change: 23 total crashes/yr
AADT on minor road: 1500 veh/day

AADT on major road: 5000 veh/day 


Please show all work and formulas used. Thanks!

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