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Civil EngineeringQ&A LibraryThe crash rate on a heavily traveled two-lane rural highway is abnormally high. Thecorridor is 14 miles long with an ADT of 34,000. An investigation has determined thathead-on collisions are most common with an RMVMT of 4.5 and are caused by vehicles attempting to pass. Determine an appropriate countermeasure and calculate theestimated yearly reduction in total crashes.Question

Asked Jan 3, 2020

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The crash rate on a heavily traveled two-lane rural highway is abnormally high. The

corridor is 14 miles long with an ADT of 34,000. An investigation has determined that

head-on collisions are most common with an RMVMT of 4.5 and are caused by vehicles attempting to pass. Determine an appropriate countermeasure and calculate the

estimated yearly reduction in total crashes.

Step 1

Given the following information:

Length of the road =14 miles.

Average daily traffic, ADT = 34,000.

Total crash rate, RMVM_{T} = 4.5.

To find: An appropriate countermeasure and calculation of the estimated yearly reduction in total crashes.

Step 2

Following formula is used:

Step 3

As the crash rate on a heavily traveled two-lane rural highway is abnormally high. An investigation has determined that head-on collisions are most common with an RMVMT of 4.5 and are caused by veh...

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