SwashWare
HCM-CALC

Project Properties

Analyst Roadway Name Analysis Period PM Peak
Analysis Date 8/22/2017 7:29:14 PM From Analysis Module Weaving Segment
Agency To Module Version Date 10/30/2016
Location Analysis Direction HCM Edition HCM2010
User Notes
File Name WeaveExample3.xfw

Input Values and Intermediate Calculation Results

Mainline Data
# Lanes Demand (veh/h) Peak Hour Factor Driver Population Factor
3 3750 0.940 1.000
Interchange Density (int/mi) 2.00

Heavy Vehicle Factor Values
Terrain % Grade Length (mi) % Trucks % RVs Truck PCE RV PCE Heavy Vehicle Factor
Rolling N/A N/A 15.0 0.0 2.50 2.00 0.816

Free Flow Speed Values
FFS Method Measured
FFS (mi/h) 60.0

Weaving Segment Configuration
Segment Type Freeway
Weaving Type Short Length (ft) # Weaving Lanes Min. Lane Changes Freeway-Ramp Min. Lane Changes Ramp-Freeway Min. Lane Changes Ramp-Ramp
TwoSide 750 0 0 0 2

Weaving Segment Ramps
Ramp-to-Ramp Demand On-Ramp Off-Ramp
Demand (veh/h) % Trucks % RVs Heavy Vehicle Factor Demand (veh/h) % Trucks % RVs Heavy Vehicle Factor
300 400 15.0 0.0 0.816 550 15.0 0.0 0.816

Flow Rates (pc/h)
Freeway to Freeway Freeway to Off-ramp On-ramp to Freeway On-ramp to Off-ramp
4561 326 130 391

Volume Ratio 0.072
Maximum Weaving Length (ft) 6405

Capacity
Weave Capacity Ideal (pc/h/ln) Weave Capacity Ideal All Lanes (pc/h) Weave Capacity Prevail All Lanes (veh/h)
1867 N/A 4573

Lane Changing
Min Lane Changes (lc/h) Lane Changing Weaving (lc/h) Non-Weaving Index Lane Changing Non-Weaving (lc/h) Lane Changing All (lc/h)
781 960 753 862 1823

Performance Measures and LOS

Weaving Intensity Weaving Speed (mi/h) Non-Weaving Speed (mi/h) Avg. Speed (mi/h)
0.455 45.9 45.7 45.7
v/c ratio Density (pc/mi/ln) LOS
0.908 39.4 E

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 -- 80 460 980 1620
2 870 1460 1950 2350 2750
3 1150 2150 2860 3420 4000
4 1520 2810 3710 4430 5160
5 1880 3450 4540 5380 6250
Lanes Hourly Volume In Both Directions [D = 0.5]
2 -- 160 920 1960 3240
4 1760 2920 3910 4700 5510
6 2310 4300 5720 6840 8020
8 3050 5630 7430 8860 10330
10 3770 6910 9080 10770 12510
Lanes Annual Average Daily Traffic [K = 0.1]
2 -- 300 1800 3900 6500
4 17600 29200 39100 47000 55100
6 23100 43000 57200 68400 80200
8 30500 56300 74300 88600 103300
10 37700 69100 90800 107700 125100
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.