Today is donation day at Shake Shack Preston Royal. Go to Shake Shack for lunch, dinner or a snack anytime between 11 a.m. and 10 p.m. today, Tuesday, Oct. 9, and mention the Northaven Trail. Shake Shack will donate 25 percent of your purchase to Friends of Northaven Trail. They restaurant is located on the northeast corner of Preston and Royal. While you’re at it, find out the most up-to-date news about the trail here.