SwashWare
HCM-CALC

Project Properties

Analyst Roadway Name Analysis Period PM Peak
Analysis Date 8/22/2017 7:29:13 PM From Analysis Module Two-Lane Highway Segment
Agency To Module Version Date 11/25/2016
Location Analysis Direction HCM Edition HCM2010
User Notes
File Name TwoLaneExample2_OffPeakDir.xht

Input Values and Intermediate Calculation Results

Highway Class 2
Demand, d (veh/h) Demand, o (veh/h) D Factor Peak Hour Factor
315 735 0.3 0.850
Percent No-Passing Zones Passing Lane (Yes/No)
60 No

Grade Adjustment Factor Values
Terrain Rolling
Grade Adj. Factor PTSF (d) Grade Adj. Factor PTSF (o) Grade Adj. Factor ATS (d) Grade Adj. Factor ATS (o)
0.89 1.00 0.88 1.00

Heavy Vehicle Factor Values
Terrain % Grade Length (mi) % Trucks % RVs
Rolling N/A N/A 5.0 7.0
Truck PCE PTSF (d) RV PCE PTSF (d) Heavy Vehicle Factor PTSF (d) Truck PCE ATS (d) RV PCE ATS (d) Heavy Vehicle Factor ATS (d)
1.60 1.00 0.971 2.00 1.10 0.946
Truck PCE PTSF (o) RV PCE PTSF (o) Heavy Vehicle Factor PTSF (o) Truck PCE ATS (o) RV PCE ATS (o) Heavy Vehicle Factor ATS (o)
1.00 1.00 1.000 1.30 1.10 0.978

Free Flow Speed Adjustment Values
FFS Method Estimated
Base FFS (mi/h) 55
Input Values Lane Width (ft) Shoulder Width (ft) Access Density (access pts/mi)
10 2 10
Adjustment Values Lane and Shoulder Width (mi/h) Access Point Density (mi/h)
0.0 2.5
FFS (mi/h) 70.0

PTSF Analysis Flow Rate (d) (pc/h) PTSF Analysis Flow Rate (o) (pc/h) ATS Analysis Flow Rate (d) (pc/h) ATS Analysis Flow Rate (o) (pc/h)
429 865 445 884
PTSF Capacity (veh/h) ATS Capacity (veh/h)
1700 1663
PTSF Coeff. 'a' PTSF Coeff. 'b' PTSF f_np ATS f_np
-0.0046 0.8317 23.02 1.16


Performance Measures and LOS

v/c ratio PTSF (%) Avg. Speed (mi/h) Pct. FFS
0.27 58.8 58.5 83.6
LOS Service Measure
C PTSF

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 140 310 550 930 1660
Lanes Hourly Volume In Both Directions [D = 0.3]
2 470 1030 1830 3100 5530
Lanes Annual Average Daily Traffic [K = 0.1]
2 4700 10300 18300 31000 55300
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.