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

Shared-Use Path Level of Service Calculator

A User's Guide

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APPENDIX C. LOS LOOK–UP TABLES

 

Table 12. Shared–use path level of service look–up table, typical mode split.

    Trail Width (feet)
    8 10 12 14 16 18 20
Trail Volume (One Direction per Hour) 25 B B B B A A A
50 D C B B A A A
75 D C B B B A A
100 D D B B B A A
150 E D C C B B B
200 F E D C C B B
250 F F D D C C C
300 F F E E D C C
400 F F F F E E E
500 F F F F F F F
600 F F F F F F F
800 F F F F F F F
1000 F F F F F F F

1 ft = 0.3 m

Table Assumptions

Mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicyclists.

An equal number of trail users travel in each direction (the model uses a 50%/50% directional split).

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).

Trail has a centerline.

 

Table 13. Shared–use path level of service look–up table, high bicycle mode split.

    Trail Width (feet)
    8 10 12 14 16 18 20
Trail Volume (One Direction per Hour) 25 A A A A A A A
50 B B B B A A A
75 B B B B A A A
100 D C B B A A A
150 D C B B B A A
200 E D C B B B A
250 E D C C B B B
300 F E C C B B B
400 F F D D C C B
500 F F E E C C C
600 F F F F D D D
800 F F F F E E E
1000 F F F F F F F

1 ft = 0.3 m

Table Assumptions

Mode split is 75% adult bicyclists, 7.5% pedestrians, 7.5% runners, 5% in–line skaters, and 5% child bicyclists.

An equal number of trail users travel in each direction (the model uses a 50%/50% directional split).

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).

Trail has a centerline.

 

Table 14. Shared–use path level of service look–up table, high pedestrian mode split.

    Trail Width (feet)
    8 10 12 14 16 18 20

Trail Volume (One Direction per Hour)

25

B

B

B

B

A

A

A

50

D

C

B

B

B

A

A

75

E

D

C

B

B

B

B

100

F

E

C

C

C

B

B

150

F

F

E

D

D

D

C

200

F

F

F

F

E

E

E

250

F

F

F

F

F

F

F

300

F

F

F

F

F

F

F

400

F

F

F

F

F

F

F

500

F

F

F

F

F

F

F

600

F

F

F

F

F

F

F

800

F

F

F

F

F

F

F

1000

F

F

F

F

F

F

F

1 ft = 0.3 m

Table Assumptions

Mode split is 25% adult bicyclists, 50% pedestrians, 15% runners, 7.5% in–line skaters, and 2.5% child bicyclists.

An equal number of trail users travel in each direction (the model uses a 50%/50% directional split).

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).

Trail has a centerline.

 

Table 15. Shared–use path service volume look–up table, typical mode split.

    Trail Width (feet)
    8 10 12 14 16 18 20
Level of Service A 24 24 24 24 70 102 125
B 49 49 110 147 191 213 229
C 49 97 198 226 282 300 315
D 109 155 267 290 362 379 392
E 167 212 328 349 436 452 464
F N/A N/A N/A N/A N/A N/A N/A

Table shows maximum trail volume (one direction per hour) in each LOS category

1 ft = 0.3 m

Table Assumptions

Mode split is 55% adult bicyclists, 20% pedestrians, 10% runners, 10% in–line skaters, and 5% child bicyclists.

An equal number of trail users travel in each direction (the model uses a 50%/50% directional split).

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).

Trail has a centerline.

 

Table 16. Shared–use path service volume look–up table, high bicycle mode split.

    Trail Width (feet)
    8 10 12 14 16 18 20
Level of Service A 40 40 40 40 123 182 224
B 81 81 185 246 348 388 419
C 81 162 330 376 519 554 581
D 184 267 446 487 671 703 728
E 289 373 551 590 812 842 866
F N/A N/A N/A N/A N/A N/A N/A

Table shows maximum trail volume (one direction per hour) in each LOS category

1 ft = 0.3 m

Table Assumptions

Mode split is 75% adult bicyclists, 7.5% pedestrians, 7.5% runners, 5% in–line skaters, and 5% child bicyclists.

An equal number of trail users travel in each direction (the model uses a 50%/50% directional split).

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).

Trail has a centerline.

 

Table 17. Shared–use path service volume look–up table, high pedestrian mode split.

   

Trail Width (feet)

   

8

10

12

14

16

18

20

Level of Service

A

13

13

13

13

35

51

62

B

26

26

57

77

95

105

114

C

26

52

105

120

140

149

156

D

58

82

143

156

179

187

194

E

87

110

177

189

215

223

229

F

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Table shows maximum trail volume (one direction per hour) in each LOS category

1 ft = 0.3 m

Table Assumptions

Mode split is 25% adult bicyclists, 50% pedestrians, 15% runners, 7.5% in–line skaters, and 2.5% child bicyclists.

An equal number of trail users travel in each direction (the model uses a 50%/50% directional split).

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).

Trail has a centerline.

 

FHWA-HRT-05-138

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