Ala. Admin. Code r. 450-10-1-.13 - Digital, Rotoboard Signs And Variable/Changeable Electronic LED Signs
(1) Digital,
Rotoboard and Variable/Changeable Electronic LED signs may display multiple
messages, provided the sign is static display and does not have more than two
sign faces for each direction the sign is facing. "Tri-vision" and LED display
panels are also allowed on conforming signs provided the static display time
for each message is at least 8 seconds, and the time to change from one message
to another is no greater than 2 seconds.
(2) Signs shall not be erected and maintained
which contain, include or are illuminated by any flashing, intermittent or
moving lights, except those giving public service information such as, but
limited to, time, date, temperature, weather or news.
(3) Signs shall not be erected or maintained
which are not effectively shielded so as to prevent beams or rays of light from
being directed at any portion of traveled way of any interstate or primary
highway and are of such intensity or brilliance as to cause glare or to impair
the vision of the driver of any motor vehicle.
(4) Signs shall not be erected or maintained
which shall be so illuminated that they obscure or interfere with any official
traffic signs, device or signal. Signs must contain static messages without
movement such as animation, flashing, scrolling, intermittent or full-motion
video.
(5) Spacing between Digital,
Rotoboard and Variable/ Changeable Electronic LED signs shall not be less than
the minimum spacing requirements for signs under the FSA, or greater if
determined appropriate to ensure the safety of the motoring public. Signs will
be located where allowed for signs under the FSA except such locations where
determined inappropriate to ensure safety of the motoring public.
(6) The ensure driver safety, signs must
include a default designed to freeze a display in one still position if a
malfunction occurs. Signs must have a process for modifying displays and
lighting levels where directed by the Department to assure safety of the
motoring public.
Notes
Author: Maintenance Bureau
Statutory Authority: Code of Ala. 1975, ยงยง 23-1-59, 23-1-273, 23-1-274, 23-1-275, 23-1-278, 23-1-286.
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