Semi jack-knifes on I-405 in Portland.

A jackknifed semi at the Interstate 405 split north of the Rose Quarter shut down all southbound lanes of Interstate 5 for several hours Tuesday morning.

The semi was removed at about 8 a.m., and the lanes were reopened by 8:30. Traffic was still stopped or slow all the way back the Marine Drive.
A spokesman said de-icing trucks had prepped the area overnight and he did not think weather was a factor in the 4:30 a.m. crash.

Northbound I-405 drivers who cross the Fremont Bridge may still take the ramp to I-5 southbound, he said. The wreckage is north of that ramp.
The driver was taken to Legacy Emanuel Medical Center. A condition report was not available. The trailer contained band equipment
.
A rollover semi crash shortly after midnight on northbound Interstate 205 has shut down the Gladstone off-ramps, along with Southeast 82nd Drive. That closure may last through the morning.