I tend to avoid restaurants when traveling for work. Much better to hit up an up-scale grocery store. Whole Foods, Wegmans, something like that.
Multiple options, including soup and salad bar. Deli and bakery (make your own sandwich with lean meat and whole grain rolls). Sushi rolls of various types. and so on...
Combine this with preferring hotels that have a fridge in the room. Can do more grazing instead of full, heavy meals. Can also have high protein stuff after a workout.