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 TwoLaneExample1.xht

Input Values and Intermediate Calculation Results

Highway Class 1
Demand, d (veh/h) Demand, o (veh/h) D Factor Peak Hour Factor
800 800 0.5 0.950
Percent No-Passing Zones Passing Lane (Yes/No)
50 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)
1.00 1.00 0.99 0.99

Heavy Vehicle Factor Values
Terrain % Grade Length (mi) % Trucks % RVs
Rolling N/A N/A 14.0 4.0
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)
1.00 1.00 1.000 1.40 1.10 0.943
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 1.40 1.10 0.943

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)
11 4 20
Adjustment Values Lane and Shoulder Width (mi/h) Access Point Density (mi/h)
0.0 5.0
FFS (mi/h) 53.3

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)
842 842 902 902
PTSF Capacity (veh/h) ATS Capacity (veh/h)
1700 1625
PTSF Coeff. 'a' PTSF Coeff. 'b' PTSF f_np ATS f_np
-0.0046 0.8322 21.02 0.75


Performance Measures and LOS

v/c ratio PTSF (%) Avg. Speed (mi/h) Pct. FFS
0.55 81.8 38.6 72.3
LOS Service Measure
E PTSF

Service Volumes

A B C D E
Lanes Hourly Volume In Peak Direction
1 * 50 280 730 1620
Lanes Hourly Volume In Both Directions [D = 0.5]
2 * 100 560 1460 3240
Lanes Annual Average Daily Traffic [K = 0.1]
2 ** 1000 5600 14600 32400
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.