SwashWare
HCM-CALC

Project Properties

Analyst Roadway Name Analysis Period PM Peak
Analysis Date 8/22/2017 7:29:12 PM From Analysis Module On-Ramp Segment
Agency To Module Version Date 4/2/2017
Location Analysis Direction HCM Edition HCM2010
User Notes
File Name OnRamp-Example5.xfr

Input Values and Intermediate Calculation Results

Mainline Data
# Lanes Demand (veh/h) Peak Hour Factor Driver Population Factor
3 1000 0.870 1.000

Heavy Vehicle Factor Values
Terrain % Grade Length (mi) % Trucks % RVs Truck PCE RV PCE Heavy Vehicle Factor
Level N/A N/A 12.0 3.0 1.50 1.20 0.938

Free Flow Speed Values
FFS Method Measured
FFS (mi/h) 70.0

On-Ramp Data

Demand (veh/h) % Trucks % RVs Heavy Vehicle Factor FFS
100 5.00 2.00 0.972 40
Lanes Accel Lane Length, 1 (ft) Accel Lane Length, 2 (ft) Effective Accel Lane Length (ft)
1 1000 N/A 1000

Analysis Flow Rates
Analysis Flow Rate, Mainline Entrance (pc/h/ln) Analysis Flow Rate, On-Ramp (pc/h) Analysis Flow Rate, Mainline Exit (pc/h) Prop. Vehicles in Lanes 1 and 2 Flow Rate in Lanes 1 and 2 (pc/h)
1225 118 1344 0.606 742

Adjacent Ramp Data

Performance Measures and LOS

v/c ratio Avg. Speed, Ramp Influence Area (mi/h) Density, Ramp Influence Area (pc/mi/ln)
0.19 63.0 5.9
Avg. Speed, Overall (mi/h) Density, Overall (pc/mi/ln) LOS
65.3 6.9 A

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 430 700 1020 1330 1570
2 1040 2010 2780 ** 3600
3 1640 3170 4380 ** 5400
4 2050 4510 6860 ** 7200
5 2550 5820 7940 ** 8970
Lanes Hourly Volume In Both Directions [D = 0.5]
2 870 1410 2040 2670 3140
4 2090 4030 5570 ** 7210
6 3290 6340 8770 ** 10810
8 4110 9030 13720 ** 14410
10 5110 11640 15890 ** 17940
Lanes Annual Average Daily Traffic [K = 0.1]
2 8700 14100 20400 26700 31400
4 20900 40300 55700 ** 72100
6 32900 63400 87700 ** 108100
8 41100 90300 137200 ** 144100
10 51100 116400 158900 ** 179400
Notes
-- Not applicable for this facility type.
* Cannot be achieved based on input data provided.
** No defined LOS threshold for this LOS level.
*** Service volume the same as for previous LOS level.