Most drivers avoid last-minute lane merges whenever possible, but the Minnesota Department of Transportation wants everyone to know it’s a perfectly acceptable way to navigate the roads in construction zones. The agency insists it’s much safer for drivers to remain in their own lanes until they reach the designated merging zone—an idea that is apparently ungraspable in our culture of politeness and courtesy. More than 60 percent of Minnesotans are actually unaware that it’s the most acceptable way of merging, according to the STrib.

But MnDOT is surprisingly unequivocal when it comes to instituting the policy. The agency, which repackages the move as a “zipper merge,” explicitly states that drivers need not worry “about being ‘Minnesota nice'” in this situation.