The S. 272nd Street on-ramps to north and southbound I-5 will be metered. The ramp to northbound I-5 currently accommodates two lanes of traffic. Both lanes will be metered. Seventeen collisions have occurred from 2006-2010 where the ramp merges onto northbound I-5. Eight collisions have happened on the merge to southbound I-5. Ramp meters help reduce collisions by controlling the number of cars merging onto a highway.