Transportation Engineering

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Last updated 5:40 AM on 8/18/26
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14 Terms

1
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Accident rate for 100M vehicles per miles of travel in a segment of a highway

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2
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Accident rate per million entering vehicles in an intersection

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3
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Severity Ratio (S.R.)

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4
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rate of flow in vehicles per hour

k is density, U is sms

<p>k is density, U is sms</p>
5
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average center-to-center spacing of cars in meters (S)

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6
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Capacity of a single lane (veh/hr) (C)

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7
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Sight distance (S) hint: velocity head

denominator interchangeable with braking distance/length of skid mark. G is the grade/slope of the road

<p>denominator interchangeable with braking distance/length of skid mark. G is the grade/slope of the road</p>
8
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Parabolic Summit Curve: L>S

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9
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Parabolic Summit Curve: L<S

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10
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Parabolic Sag Curve: L>S

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11
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Parabolic Sag Curve: L<S

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12
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Parabolic Sag Curve: L>S, H and beta are not given

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13
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Parabolic Sag Curve: L<S, H and beta are not given

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14
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Length for passenger comfort

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