A non-attended lane that is designed to allow toll payments to be
electronically collected from vehicles traveling at
normal highway speeds.
Open-RoadETC lanes are
typically physically separated from the toll plaza, often
following the alignment of the mainline lanes, with toll plaza lanes for
cash toll payments being on a different alignment after diverging
from the mainline lanes or a subset thereof. MUTCD2009 Edition with
May 2012 Revisions 1
and 2
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