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-Example3.xfr

Input Values and Intermediate Calculation Results

Mainline Data
# Lanes Demand (veh/h) Peak Hour Factor Driver Population Factor
4 5500 0.900 1.000

Heavy Vehicle Factor Values
Terrain % Grade Length (mi) % Trucks % RVs Truck PCE RV PCE Heavy Vehicle Factor
Level N/A N/A 10.0 0.0 1.50 1.20 0.952

Free Flow Speed Values
FFS Method Measured
FFS (mi/h) 65.0

On-Ramp Data

Demand (veh/h) % Trucks % RVs Heavy Vehicle Factor FFS
400 5.00 0.00 0.976 30
Lanes Accel Lane Length, 1 (ft) Accel Lane Length, 2 (ft) Effective Accel Lane Length (ft)
1 260 N/A 260

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)
6417 456 6872 0.161 2567

Adjacent Ramp Data

Adjacent Ramp Downstream
Type Distance (ft) Demand (veh/h) % Trucks % RVs Heavy Vehicle Factor
OffRamp 1300 600 10.00 0.00 0.952
Analysis Flow Rate (pc/h) Equilibrium Length (ft) Prop. Vehicles in Lanes 1 and 2
700.0 0.0 0.000

Performance Measures and LOS

v/c ratio Avg. Speed, Ramp Influence Area (mi/h) Density, Ramp Influence Area (pc/mi/ln)
0.73 56.1 27.2
Avg. Speed, Overall (mi/h) Density, Overall (pc/mi/ln) LOS
58.2 29.5 C

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 430 700 1020 1330 1570
2 800 1700 2500 ** 3780
3 950 2400 3550 ** 5530
4 1500 3840 6860 ** 7560
5 1850 4850 7600 ** 9410
Lanes Hourly Volume In Both Directions [D = 0.5]
2 870 1410 2040 2670 3140
4 1600 3400 5010 ** 7560
6 1900 4800 7100 ** 11060
8 3000 7690 13720 ** 15120
10 3700 9710 15210 ** 18830
Lanes Annual Average Daily Traffic [K = 0.1]
2 8700 14100 20400 26700 31400
4 16000 34000 50100 ** 75600
6 19000 48000 71000 ** 110600
8 30000 76900 137200 ** 151200
10 37000 97100 152100 ** 188300
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.