The uptick in fatalities this year is being communicated to motorists as a safety message via the electronic highway billboards, “Watch for Motorcycles,” and citing the number of traffic fatalities statewide so far this year - 638.
Of the 638 traffic fatalities overall this year, 91 were motorcycle crashes, according to ODOT.
In June alone, there were 43 deaths from 39 motorcycle crashes - the largest monthly total for motorcycle-crash deaths since July 2007 when there were 46, according to ODOT.
Crashes mostly occurred from 6 p.m. to 2 a.m. Friday through Sunday, according to ODOT.
In most of the motorcycle-related deaths, the riders were not wearing helmets, the statistics show.