Abstract: A brake-operated dolly for controlling the use of a dolly especially on sloped surfaces. The brake-operated dolly includes a dolly having side rails, cross members, wheels, and handles; and also includes a pair of brake support members being securely attached to the side rails and above the wheels of the dolly; and further includes a pair of brake members being pivotally mounted to the brake support members and being engagable to the wheels of the dolly; and also includes a brake actuating assembly including a pair of bracket members being securely attached to the side rails near the handles of said dolly, and also including an elongate brake actuator having ends journaled through the bracket members, and further including cables being connected to the brake members for the actuation thereof.