The following values of PTSF, FFS, and ATS have been determined for three separate two-lane segments. Determine LOS if the segments are: (a) Class I, (b) Class II, and (c) Class III.
What will be an ideal response?
Step 1: Compute passenger car equivalent flow rate for peak 15-minute period, vp
a) For 60% traffic (660 veh/h)
Determine fg (grade adjustment factor), using Table 9.22; fg = 1.00
Determine ETd (PCE for trucks), using Table 9.23; ETd = 1.0
Determine ERd (PCE for RVs), using Table 9.23; ERd = 1.0
Determine fHVd (heavy vehicle adjustment factor), using Equation 9.5
b) For 40% traffic (440 veh/h)
Determine ETo (PCE for trucks), using Table 9.23; ETo = 1.1
Determine ERo (PCE for RVs), using Table 9.23; ERo = 1.0
Determine fHVo (heavy vehicle adjustment factor), using Equation 9.5
Step 2: Compute base percent time spent following, BPTSF, using Equation 9.17.
coefficients a and b from Table 9.26.
a) For 60% traffic (660 veh/h)
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Even though the Force Acts and the Union Army helped suppress the Ku Klux Klan, the secret organization largely achieved its central goal of
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