ISBN: | 978-5-5138-7565-9 |
High Quality Content by WIKIPEDIA articles! Contraflow lane reversal refers to plans that alter the normal flow of traffic, typically on a controlled-access highway (such as a freeway or motorway), to either aid in an emergency evacuation (the most common usage of the term in the United States) or, as part of routine maintenance activities, to facilitate widening or reconstruction of one of the highway`s carriageways (the most common usage in the United Kingdom).