Shake Shack opens to lines around the block in Walnut Creek

Shake Shack opens to lines around the block in Walnut Creek

WALNUT CREEK, Calif. (KRON) -- The grand opening of a much-anticipated Shake Shack in the East Bay was welcomed with a line of customers around the block at least an hour before the restaurant even opened Sunday morning. Woman dies after tree falls during hike in Cupertino The restaurant on Mount Diablo Boulevard opened to cheers and raucous applause. It came as no surprise, as the first 100 customers to enter the new location were offered a Sh…