Arby's

Arby's took seven days to respond, and did not offer any vegan suggestions, but rather directed me to their online ingredient information.

The verdict:

Apple Turnover is vegan
Cherry Turnover is vegan
Arby's Sauce is vegan
Homestyle Fries have no animal ingredients but may be fried in oil shared with animal products
Potato Cake may or may not be vegan (Disodium Dihydrogen Pyrophosphate)
Raspberry Vinaigrette dressing is vegan
Red Wine Vinaigrette may or may not be vegan (Calcium Disodium EDTA)
Sub Roll may or may not be vegan (L-Cysteine)
Garden Salad is vegan if ordered without croutons (no crouton ingredient information found)
Side Salad is vegan if ordered without croutons (no crouton ingredient information found)