ORANGE BARRELS BLOCKING BELTLINE RAMP: EB off-ramp to Greenway Blvd in Middleton.Posted September 22, 2014 by Madtown Traffic & filed under Construction Blog.The DOT says the EB Beltline off-ramp to Greenway Blvd will CLOSE starting Wednesday (Sept 24) for about 1 week.The closure is to expedite construction work, and also for your safety.