'Transportation Alternatives' will hose the tours so people fully understand the implications of the proposed changes to the roadway.
The group says the renovation will be an opportunity to correct wrongdoings created by the original expressway.
"It cut a hole, a scar in working-class communities from Greenpoint down through the entire borough of Brooklyn," said the group.
There will be two more walks by different sections of the road over the next month.
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