1
FREEWAYS
STATE SIGNALIZED ARTERIALS
Lanes
B
C
D
E
Class I (40 mph or higher posted speed limit)
4 6 8
45,100 65,300 85,900 101,600
59,000 86,600 114,500 135,600
70,300 104,100 138,100 161,900
72,600 108,900 145,300 181,800
Lanes Median
B
C
D
E
2 4 6
Undivided
* * *
14,400 34,000 52,100
16,200 35,500 53,500
** ** **
Divided Divided
10
Class II (35 mph or slower posted speed limit)
Freeway Adjustments
Lanes Median
B
C
D
E
Auxiliary Lanes
Ramp
Present in Both Directions
Metering
2 4 6
Undivided
* * *
6,500 13,300 14,200 9,900 28,800 31,600
+ 20,000
+ 5%
Divided Divided
16,000
44,900 47,600
Non-State Signalized Roadway Adjustments (Alter corresponding state volumes by the indicated percent.) Non-State Signalized Roadways - 10%
Median & Turn Lane Adjustments
UNINTERRUPTED FLOW HIGHWAYS
Exclusive Left Lanes
Exclusive
Adjustment
Lanes Median
B
C
D
E
Lanes
Median
Right Lanes
Factors
2 4 6
Undivided 11,300
17,300 49,900 74,800
23,400 31,600 63,000 71,700 94,600 107,400
2 2
Divided
Yes
No No No No
+5% -20%
Divided Divided
34,600 51,700
Undivided
No
Multi Undivided Multi Undivided
Yes
-5%
No
-25% + 5%
Yes
Uninterrupted Flow Highway Adjustments
Lanes
Median Divided
Exclusive left lanes
Adjustment factors
One-Way Facility Adjustment Multiply the corresponding two-directional volumes in this table by 0.6 BICYCLE MODE 2
2
Yes Yes
+5% -5% -25%
Multi Undivided Multi Undivided
No
1 Values shown are presented as two-way annual average daily volumes for levels of service and are for the automobile/truck modes unless specifically stated. This table does not constitute a standard and should be used only for general planning applications. The computer models from which this table is derived should be used for more specific planning applications. The table and deriving computer models should not be used for corridor or intersection design, where more refined techniques exist. Calculations are based on planning applications of the HCM and the Transit Capacity and Quality of Service Manual. 2 Level of service for the bicycle and pedestrian modes in this table is based on number of vehicles, not number of bicyclists or pedestrians using the facility. 3 Buses per hour shown are only for the peak hour in the single direction of the higher traffic flow.
(Multiply vehicle volumes shown below by number of directional roadway lanes to determine two-way maximum service volumes.) Paved
Shoulder/Bicycle Lane Coverage
B
C
D
E
0-49% 50-84% 85-100%
*
2,600 5,500
6,100
19,500
1,900
18,400 >19,500
7,500 19,500 >19,500
**
PEDESTRIAN MODE 2 (Multiply vehicle volumes shown below by number of directional roadway lanes to determine two-way maximum service volumes.) Sidewalk Coverage B C D E 0-49% * * 2,800 9,400 50-84% * 1,600 8,600 15,600 85-100% 3,800 10,500 17,100 >19,500 BUS MODE (Scheduled Fixed Route) 3 (Buses in peak hour in peak direction) Sidewalk Coverage B C D E 0-84% > 5 4 3 2 85-100% > 4 3 2 1
* Cannot be achieved using table input value defaults.
** Not applicable le for that level of service letter grade. For the automobile mode, volumes greater than level of service D become F because intersection capacities have been reached. For the bicycle mode, the level of service letter grade (including F) is not achievable because there is no maximum vehicle volume threshold using table input value defaults.
Source: Florida Department of Transportation Systems Implementation Office https://www.fdot.gov/planning/systems/
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QUALITY/LEVEL OF SERVICE HANDBOOK
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