The Iowa Highway Patrol is again launching an effort to keep motorists and their passengers safe from dangerous drivers over the holiday weekend. Sergeant David Garrison explains the latest project that’ll see 80 additional troopers on duty through New Year’s Day.Sergeant Garrison says the patrol will be focusing on primary and secondary highways, in addition to Iowa’s interstates.He says New Year’s Eve weekend is traditionally one of the deadliest on Iowa roads.Last year, five people were killed on Iowa’s highways during the New Year’s weekend.