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Publication Number: FHWA-HRT-05-138
Date: July 2006

Shared-Use Path Level of Service Calculator

Shared Use Path Flow Analysis Tool

Trail Level of Service (LOS) Calculator
Draft Spreadsheet Based on Federal Highway Administration Shared Use Path Study

North Carolina State University and Toole Design Group

 

Trail LOS Calculator

LOS Score LOS Grade
X≥ 4.0 A
3.5 ≤X 4.0 B
3.0 ≤X 3.5 C
2.5 ≤X 3.0 D
2.0 ≤X 2.5 E
X< 2.0 F

 

ROW #1

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
Example Trail 11.0 1 155.4 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.47 C 31.98% 38.17 0.32 0.32 3.15 3.15 C
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #2

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  14.0 1 147.0 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.79 B 30.27% 34.18 0.28 0.28 3.50 3.50 B
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #3

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  8.0 0 1000.0 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 1.83 F 99.99% 768.07 6.40 1.50 0.33 0.33 F
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #4

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  11.0 1 70.0 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.61 B 14.14% 7.60 0.06 0.06 3.54 3.54 B
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #5

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  12.0 1 213.4 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.49 C 43.29% 70.97 0.59 0.59 2.90 2.90 D
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

MODEL ASSUMPTIONS

Trail volume represents the actual number of users counted in the field (the model adjusts this volume based on a peak hour factor of 0.85).
Bicyclists will pass all trail users that are traveling less than 12.8 miles per hour (average bicyclist speed)

 

Shared Use Path Flow Analysis Tool

Trail Level of Service (LOS) Calculator
Draft Spreadsheet Based on Federal Highway Administration Shared Use Path Study

North Carolina State University and Toole Design Group

 

Trail LOS Calculator

LOS Score LOS Grade
X≥ 4.0 A
3.5 ≤X 4.0 B
3.0 ≤X 3.5 C
2.5 ≤X 3.0 D
2.0 ≤X 2.5 E
X< 2.0 F

 

ROW #1

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
Example Trail 11.0 1 155.4 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.47 C 31.98% 38.17 0.32 0.32 3.15 3.15 C
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #2

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  14.0 1 147.0 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.79 B 30.27% 34.18 0.28 0.28 3.50 3.50 B
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #3

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  8.0 0 1000.0 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 1.83 F 99.99% 768.07 6.40 1.50 0.33 0.33 F
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #4

Segment Name Path Width Centerline Volume (users per hour in 1 direction) and Mode Split User Perception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  11.0 1 70.0 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.61 B 14.14% 7.60 0.06 0.06 3.54 3.54 B
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

ROW #5

Segment Name Path Width Centerline Volume users per hour in 1 direction) and Mode Split UserPerception Delayed Passings Adjustment Prelim LOS Score Trail Level of Service
  Closest 0.5 ft. 0=No Centerline Volume Mode Split (%)*     Adj. Factor (subtract from User Percep. score)    
Name Width (ft) 1=Centerline One–Way (per hour) Adult Bicyclists Pedestrians Runners In–Line Skaters Child Bicyclists All Modes Score Grade Percent # Per Hr Pre Adj Fac Fin Adj Fac Prelim LOS Score LOS Score LOS Grade
  12.0 1 213.4 55.0% 20.0% 10.0% 10.0% 5.0% 100.0% 3.49 C 43.29% 70.97 0.59 0.59 2.90 2.90 D
      *Default mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicylists.                  

 

MODEL ASSUMPTIONS

Trail volume represents the actual number of users counted in the field (the model adjusts this volume based on a peak hour factor of 0.85).
Bicyclists will pass all trail users that are traveling less than 12.8 miles per hour (average bicyclist speed)

 

FHWA-HRT-05-138

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United States Department of Transportation - Federal Highway Administration