A promotion at a Clark coffee shop drew huge crowds Monday, prompting local police to issue a traffic alert.
Clark police sent out a “travel warning” just after 8 a.m., saying there was “severe traffic congestion due to a large volume of customers at 7 Brew.”
People began lining up at the coffee shop, which opened on Raritan Road in June, after 7 Brew announced plans to give away a free “7 Brew Dough” with coffee purchases…