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-Example4_left side ramp.xfr

Input Values and Intermediate Calculation Results

Mainline Data
# Lanes Demand (veh/h) Peak Hour Factor Driver Population Factor
3 4000 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 15.0 0.0 1.50 1.20 0.930

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

On-Ramp Data

Demand (veh/h) % Trucks % RVs Heavy Vehicle Factor FFS
500 5.00 0.00 0.976 30
Lanes Accel Lane Length, 1 (ft) Accel Lane Length, 2 (ft) Effective Accel Lane Length (ft)
1 820 N/A 820

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)
4778 569 5347 0.600 3213

Adjacent Ramp Data

Performance Measures and LOS

v/c ratio Avg. Speed, Ramp Influence Area (mi/h) Density, Ramp Influence Area (pc/mi/ln)
0.76 54.8 29.6
Avg. Speed, Overall (mi/h) Density, Overall (pc/mi/ln) LOS
56.5 31.5 D

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 430 700 1020 1330 1570
2 940 1920 2700 ** 3560
3 1350 2740 3850 ** 5220
4 1500 7120 7170 ** 7220
5 1860 10790 10840 ** 10890
Lanes Hourly Volume In Both Directions [D = 0.5]
2 870 1410 2040 2670 3140
4 1890 3850 5410 ** 7120
6 2700 5480 7700 ** 10450
8 3000 14240 14340 ** 14440
10 3720 21580 21680 ** 21780
Lanes Annual Average Daily Traffic [K = 0.1]
2 8700 14100 20400 26700 31400
4 18900 38500 54100 ** 71200
6 27000 54800 77000 ** 104500
8 30000 142400 143400 ** 144400
10 37200 215800 216800 ** 217800
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.