Draft Environmental Impact Report - California Off Highway Vehicle ...

TABLE 3.1­1. DEFINITION OF LEVEL OF SERVICE
Level of
Service
A
B
C
D
E
F
3.1 Transportation and Traffic
Signalized Intersection Unsignalized Intersection Roadway (Daily)
Uncongested operations, all queues clear
in a single‐signal cycle.
Delay 10.0 sec and 20.0 sec and 35.0 sec and 55.0 sec and 80.0 sec
Notes: sec = seconds; sec/veh = seconds per vehicle.
Source: Transportation Research Board 2000
Little or no delay.
Delay 10 sec/veh and
15 sec/veh and
25 sec/veh and
35 sec/veh and
50 sec/veh
Completely free flow.
Free flow, presence
of other vehicles
noticeable.
Ability to maneuver
and select operating
speed affected.
Unstable flow,
speeds and ability to
maneuver restricted.
At or near capacity,
flow quite unstable.
Forced flow,
breakdown.
Clay Pit State Vehicular Recreation Area
Draft EIR 3.1-7 February 2012