First Nations protesters from the "Idle No More" movement demonstrate at the border crossing between Canada and the United States in Sarnia, Ont., January, 5, 2013. (REUTERS/Geoff Robins) Idle No More protests nationwide Ont. police chiefs warned to avoid 'political interference' Flaherty: Economy can't handle months of blockades Public opinion against First Nations protesters Aboriginal leaders, grassroots divided Will Idle No More hurt the economy? Edmonton woman drives through blockade Idle No More protesters block CN tracks Economy at stake due to protests Angry activists Idle No More closes HWY 401

OTTAWA - Aboriginal activists and supporters plan to block highways, bridges and rail lines Wednesday to disrupt the Canadian economy as a warning to the Conservative government that inaction on treaty rights and environmental reviews won't be tolerated.

Though not all targeted sites are known, Chief Terrence Nelson promised that Idle No More groups will block traffic on CN and CP rail lines going east and west.

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A blockade will also hit part of the Trans-Canada highway near Nipigon, Ont., and is scheduled to last about three hours.