The current mindset of the safety community is geared toward
using “positive protection” to protect maintenance workers in
roadway work zones. As a result, concrete barrier has become the
temporary traffic control device most commonly used in highway
work zones. According to Roadside Design Guide, published by the
American Association of State Highway and Transportation
Officials (AASHTO), “…a barrier should be installed only if it
is clear that the result of a vehicle striking the barrier will
be less severe than the crash resulting from hitting the
unshielded object itself.” When deciding on the correct and safe
choice for temporary traffic control in a work zone, an
evaluation of devices should place a particular emphasis on
balancing the protection of maintenance workers with the safety
of road users traveling through work zones. In contrast to
traditional channelizing devices (e.g., cones, drum, etc.) that
have some open space between devices, LCD’s can be connected
together to form a solid line. Thus LC