This from Eric Haak:

The outbound lanes of the Bishop Ford Freeway (I94) were closed at 137th Street for nearly three hours due to a semi that crashed into the median and damaged the saddle tank.  One other vehicle was involved in the incident.  The accident happened on the incline leading up to the Steel Bridge which caused the diesel fuel to roll downhill towards the shoulder.  Engine 80 and Truck 62 were first up and dropped one line and began diking the spill.  Engine 75 took a position on the off ramp to Beaubien Woods and dropped a second line.  The wreck occurred at about 4:55 and companies remained on the scene until 7:45 when the State Police finally reopened the expressway.

tow truck cleans spill from semi on highway

Eric Haak photo

tow truck with semi on highway

Eric Haak photo

fireman pulls hose line wearing safety vest

Eric Haak photo

firefighters at haz mat scene on highway

Eric Haak photo

fireman with hose line on a highway

Eric Haak photo

fire engine off highway ramp

Eric Haak photo

Chicago FD Squad 5

Eric Haak photo