Ruuhkaa
Ruuhkaa is the Finnish term for traffic congestion or traffic jams on road networks. It describes conditions in which vehicle speed is reduced and travel times increase due to high traffic volumes, bottlenecks, or incidents. The word ruuhkaa is the form used in sentences when referring to a congestion event in general terms.
Common causes include peak-hour volumes on urban arterials, lane closures from road work, accidents, adverse weather,
Impacts include increased travel times, higher fuel consumption and emissions, greater driver stress, reduced reliability of
Management approaches combine demand management (promoting public transport, flexible work hours) with infrastructure improvements (enhanced capacity,
Etymology and usage: ruuhkaa is the standard Finnish term for the phenomenon; ruuhka is the singular form
See also: traffic jam, congestion, rush hour, Finnish transport policy.