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-Example1.xfr

Input Values and Intermediate Calculation Results

Mainline Data
# Lanes Demand (veh/h) Peak Hour Factor Driver Population Factor
2 2500 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) 60.0

On-Ramp Data

Demand (veh/h) % Trucks % RVs Heavy Vehicle Factor FFS
550 5.00 0.00 0.976 45
Lanes Accel Lane Length, 1 (ft) Accel Lane Length, 2 (ft) Effective Accel Lane Length (ft)
1 740 N/A 740

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)
2917 626 3543 1.000 2917

Adjacent Ramp Data

Performance Measures and LOS

v/c ratio Avg. Speed, Ramp Influence Area (mi/h) Density, Ramp Influence Area (pc/mi/ln)
0.77 53.0 28.2
Avg. Speed, Overall (mi/h) Density, Overall (pc/mi/ln) LOS
53.0 33.4 D

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 430 700 1020 1330 1570
2 870 1810 2560 ** 3350
3 1320 2760 3910 ** 5030
4 1780 3730 6540 ** 6710
5 2340 4420 6620 ** 8500
Lanes Hourly Volume In Both Directions [D = 0.5]
2 870 1410 2040 2670 3140
4 1740 3620 5130 ** 6710
6 2650 5530 7830 ** 10060
8 3570 7470 13080 ** 13420
10 4680 8840 13250 ** 17000
Lanes Annual Average Daily Traffic [K = 0.1]
2 8700 14100 20400 26700 31400
4 17400 36200 51300 ** 67100
6 26500 55300 78300 ** 100600
8 35700 74700 130800 ** 134200
10 46800 88400 132500 ** 170000
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.