STEWIACKE, N.S. -- A group of Mi'kmaq protesters and their supporters are planning to slow down traffic on one of Nova Scotia's main highways this week in a bid to stop construction of a natural gas storage facility near Alton.

Group spokeswoman Cheryl Maloney says the protesters plan to light a ceremonial fire and set up a teepee today near Highway 102 north of Stewiacke.

Some of the protesters have already placed placards by the side of the highway.

Maloney says the First Nation bands in nearby Millbrook and Indian Brook want the project stopped because they say there hasn't been enough consultation regarding the potential impact on the environment.

The group plans to slow down traffic Wednesday on Highway 102 with the help of the RCMP.

Alton Natural Gas Storage wants to store natural gas in underground salt caverns that will be created by pumping in water from the Shubenacadie River and then pumping the brine water back into the river system.