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 WeaveExample2.xfw

Input Values and Intermediate Calculation Results

Mainline Data
# Lanes Demand (veh/h) Peak Hour Factor Driver Population Factor
4 4300 1.000 1.000
Interchange Density (int/mi) 1.00

Heavy Vehicle Factor Values
Terrain % Grade Length (mi) % Trucks % RVs Truck PCE RV PCE Heavy Vehicle Factor
Level N/A N/A 0.0 0.0 1.50 1.20 1.000

Free Flow Speed Values
FFS Method Estimated
Input Values Lane Width (ft) Right Side Lat. Clear. (ft) # Ramps Upstream # Ramps Downstream Total Ramp Density (ramps/mi)
12 6 0 0 0.000
Adjustment Values Lane Width (mi/h) Right Side Lat. Clear. (mi/h) Ramp Density (mi/h)
0.0 0.0 0.00
FFS, Base (mi/h) 75.4
FFS, Calculated (mi/h) 75.4
FFS, Rounded (mi/h) 75.0

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
OneSide 1000 2 1 1 0

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
100 700 0.0 0.0 1.000 400 0.0 0.0 1.000

Flow Rates (pc/h)
Freeway to Freeway Freeway to Off-ramp On-ramp to Freeway On-ramp to Off-ramp
4000 300 600 100

Volume Ratio 0.180
Maximum Weaving Length (ft) 4333

Capacity
Weave Capacity Ideal (pc/h/ln) Weave Capacity Ideal All Lanes (pc/h) Weave Capacity Prevail All Lanes (veh/h)
2145 13333 8580

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)
900 1187 410 616 1804

Performance Measures and LOS

Weaving Intensity Weaving Speed (mi/h) Non-Weaving Speed (mi/h) Avg. Speed (mi/h)
0.360 59.1 62.5 61.9
v/c ratio Density (pc/mi/ln) LOS
0.583 20.2 C

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 -- 80 460 980 1620
2 1190 2230 2980 3590 3720
3 1760 3270 4340 5180 5530
4 2320 4260 5610 6680 7400
5 2860 5210 6820 8070 9220
Lanes Hourly Volume In Both Directions [D = 0.5]
2 -- 160 920 1960 3240
4 2390 4480 5980 7180 7450
6 3530 6550 8680 10380 11070
8 4640 8530 11240 13360 14810
10 5720 10430 13650 16150 18450
Lanes Annual Average Daily Traffic [K = 0.1]
2 -- 300 1800 3900 6500
4 23900 44800 59800 71800 74500
6 35300 65500 86800 103800 110700
8 46400 85300 112400 133600 148100
10 57200 104300 136500 161500 184500
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.