Roads, especially I-90, keep grizzlies from reinhabiting good grizzly habitat

Biologists seek answers to grizzly bear migration roadblocks-

Biologists seek answers to grizzly bear migration roadblocks. By Jim Robbins. New York Times (in the Seattle Times).

Interstate 90, which cuts through miles of mountainous country, is a huge barrier to the migration of all large wildlife species. I think remediation is in order.