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 Safety of innocent personnel caught by an active vehicle barrier when it is deployed should
be considered. Any deployed active vehicle barrier system has the potential to be lethal.
Limitations on the maximum speed serve to reduce the potential for fatalities. For this reason,
the speed of traffic in the response zone shall be kept to the minimum necessary to maintain
the flow of traffic through the entry control facility. Detection loops embedded in the
pavement around the active vehicle barrier system should be used to avoid activation of the
vehicle barrier when a vehicle is directly over the barrier. In addition, warning lights should
be placed at all active vehicle barriers. When the active vehicle barrier is in the closed
position (stopping vehicle flow), a red stoplight should be used. At other times a yellow
flashing light should be used (1).
4.2.2 Vehicle Inspection Capability
Most installations have inspection requirements that vary with force protection condition. The
levels of inspection include vehicle identification (decal or automated checks), vehicle
identification and personnel identification (ID check), random vehicle content inspections, and
content inspection of all vehicles. These inspections are to be conducted on all vehicles,
including those considered "authorized." Since vehicle content inspection can be time
consuming, during periods of random vehicle content inspection it is important to allow the
inspection to occur without impeding the flow of traffic through the entry control facility. This
can be accomplished through the use of a separate inspection lane, a pull-off area, or
dedicating a lane as dual purpose such as visitor and inspection. Ensure that the installation
clearly defines the levels of inspection likely to occur for the different types of vehicle traffic
(delivery vehicles, authorized vehicles, and visitors). Then, determine if a separate lane is
required in order to mitigate the impact of inspection operations on traffic. Automation of
identification procedures will not eliminate the need for this capability.
At some installations centralized truck inspection stations have been developed to inspect all
delivery and truck traffic to the installation. Some installations have the requirement that all
delivery and truck traffic enter a specific ECF/gate(s). This procedure centralizes the large
vehicle inspection function and reduces the infrastructure requirement for access control zones
at other ECFs to support the larger vehicles. However, due consideration should be given to
the need for re-directing an errant large vehicle without major traffic disruptions should one
mistakenly enter the wrong ECF. Note, the requirement to support the random inspection of
POV and government vehicles at all entry control points remains. See Chapter 7 for more
information on inspection of trucks or other large commercial vehicles.
During vehicle inspections, standard procedure normally involves removing the occupants from
the vehicle. During periods of inclement weather, it is necessary to provide shelter for the
occupants. Therefore a small shelter, similar to a bus shelter shall be provided as a minimum.
Consider using a "sally port" configuration in the inspection area. A "sally port" is created
through the use of vehicle barricades or traffic gates. These barriers are intended to confine
the vehicle during inspection until it is determined whether the vehicle is authorized to proceed
or denied access to the installation.
4.2.2.1
Location and Support for Inspection Equipment
At this time most vehicle inspections use manual procedures with manual tools or handheld
detectors. However, there are a number of inspection devices currently fielded or in
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