A park and emergency brake valve comprising: an electrical park valve configured to receive an electrical park signal and to allow hydraulic fluid to flow through a first electrically-controlled channel in response to the electrical park signal indicating a request to park; a main valve configured to receive the hydraulic fluid from the first electrically-controlled channel and to allow the hydraulic fluid to flow to a braking actuator in response to receiving the hydraulic fluid from the first electrically-controlled channel; an electrical emergency control valve configured to receive an emergency brake signal and to allow the hydraulic fluid to flow through a first control channel in response to the emergency brake signal indicating a request for emergency braking; and characterized by comprising an emergency enable valve configured to receive the hydraulic fluid from the first control channel of the electrical emergency control valve and to allow the hydraulic fluid to flow to the braking actuator in response to receiving the hydraulic fluid from the electrical emergency control valve , and wherein: the electrical park valve is configured to allow the hydraulic fluid to flow through a second electrically-controlled channel in response to the electrical park signal indicating a request to park disengage, and the main valve is configured to allow the hydraulic fluid to flow from the braking actuator to a return in response to receiving the hydraulic fluid from the second electrically-controlled channel of the electrical park valve . an electrical park valve configured to receive an electrical park signal and to allow hydraulic fluid to flow through a first electrically-controlled channel in response to the electrical park signal indicating a request to park; a main valve configured to receive the hydraulic fluid from the first electrically-controlled channel and to allow the hydraulic fluid to flow to a braking actuator in response to receiving the hydraulic fluid from the first electrically-controlled channel; an electrical emergency control valve configured to receive an emergency brake signal and to allow the hydraulic fluid to flow through a first control channel in response to the emergency brake signal indicating a request for emergency braking; and characterized by comprising an emergency enable valve configured to receive the hydraulic fluid from the first control channel of the electrical emergency control valve and to allow the hydraulic fluid to flow to the braking actuator in response to receiving the hydraulic fluid from the electrical emergency control valve , and wherein: the electrical park valve is configured to allow the hydraulic fluid to flow through a second electrically-controlled channel in response to the electrical park signal indicating a request to park disengage, and the main valve is configured to allow the hydraulic fluid to flow from the braking actuator to a return in response to receiving the hydraulic fluid from the second electrically-controlled channel of the electrical park valve . the electrical park valve is configured to allow the hydraulic fluid to flow through a second electrically-controlled channel in response to the electrical park signal indicating a request to park disengage, and the main valve is configured to allow the hydraulic fluid to flow from the braking actuator to a return in response to receiving the hydraulic fluid from the second electrically-controlled channel of the electrical park valve . <EOS>