SwashWare
HCM-CALC

Project Properties

Analyst Roadway Name Analysis Period PM Peak
Analysis Date 8/22/2017 7:29:13 PM From Analysis Module Weaving Segment
Agency To Module Version Date 10/30/2016
Location Analysis Direction HCM Edition HCM2010
User Notes
File Name WeaveExample1.xfw

Input Values and Intermediate Calculation Results

Mainline Data
# Lanes Demand (veh/h) Peak Hour Factor Driver Population Factor
4 2507 0.910 1.000
Interchange Density (int/mi) 0.80

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

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 1500 3 0 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
1297 2334 10.0 0.0 0.952 1989 10.0 0.0 0.952

Flow Rates (pc/h)
Freeway to Freeway Freeway to Off-ramp On-ramp to Freeway On-ramp to Off-ramp
2094 798 1197 1497

Volume Ratio 0.357
Maximum Weaving Length (ft) 4639

Capacity
Weave Capacity Ideal (pc/h/ln) Weave Capacity Ideal All Lanes (pc/h) Weave Capacity Prevail All Lanes (veh/h)
2110 9800 8038

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)
798 1144 431 782 1926

Performance Measures and LOS

Weaving Intensity Weaving Speed (mi/h) Non-Weaving Speed (mi/h) Avg. Speed (mi/h)
0.275 54.2 52.6 53.1
v/c ratio Density (pc/mi/ln) LOS
0.602 26.3 C

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 -- 80 460 980 1620
2 530 1020 1380 1670 1980
3 800 1510 2020 2440 2880
4 1060 1980 2640 3170 3720
5 1310 2430 3230 3860 4510
Lanes Hourly Volume In Both Directions [D = 0.5]
2 -- 160 920 1960 3240
4 1080 2050 2770 3350 3980
6 1610 3030 4060 4890 5770
8 2120 3970 5290 6350 7450
10 2620 4870 6460 7720 9040
Lanes Annual Average Daily Traffic [K = 0.1]
2 -- 300 1800 3900 6500
4 10800 20500 27700 33500 39800
6 16100 30300 40600 48900 57700
8 21200 39700 52900 63500 74500
10 26200 48700 64600 77200 90400
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.