Electronically controllable pneumatic brake system, at least comprising: at least one brake circuit (A, B), wherein in the at least one brake circuit (A, B) braking pressures (p1, p2, p3, p4) at service brakes (1, 2, 3, 4) can be adjusted independently of each other, wherein at least one control valve (13, 11) is associated with the at least one brake circuit (A, B) for this purpose, wherein the at least one control valve (13, 11) comprises an electronic control input (17, 12e) for receiving an electrical control signal (SA, SB) and a pneumatic control input (14, 12f) for receiving a control pressure (pA, pB), and wherein the at least one control valve (13, 11) supplies the service brakes (1, 2, 3, 4) of the at least one brake circuit (A, B) with a braking pressure (p1, p2, p3, p4) via working connections (15, 12b, 12c) depending on the control signals (SA, SB) or the control pressure (pA, pB), a first control unit for outputting the control signals (SA, SB) depending on a target vehicle deceleration (zSoll) for the electrical actuation of the at least one control valve (13, 11), wherein the target vehicle deceleration (zSoll) can be specified by a first brake valve, and the first brake valve specifies a first brake valve control pressure (pA1, pB1) at the at least one brake circuit (A, B), characterized in that a second brake valve for outputting a second brake valve control pressure (pA2, pB2) is disposed in the pneumatic brake system such that the first brake valve control pressure (pA1, pB1) of the first brake valve and/or the second brake valve control pressure (pA2, pB2) of the second brake valve is output as a control pressure (pA, pB) to the at least one control valve (13, 11) for the pneumatic actuation of the at least one control valve (13, 11), wherein the second brake valve can be electronically controlled if electrical actuation of the at least one control valve (11, 13) is prevented to create an electronically-pneumatically controlled redundancy. at least one brake circuit (A, B), wherein in the at least one brake circuit (A, B) braking pressures (p1, p2, p3, p4) at service brakes (1, 2, 3, 4) can be adjusted independently of each other, wherein at least one control valve (13, 11) is associated with the at least one brake circuit (A, B) for this purpose, wherein the at least one control valve (13, 11) comprises an electronic control input (17, 12e) for receiving an electrical control signal (SA, SB) and a pneumatic control input (14, 12f) for receiving a control pressure (pA, pB), and wherein the at least one control valve (13, 11) supplies the service brakes (1, 2, 3, 4) of the at least one brake circuit (A, B) with a braking pressure (p1, p2, p3, p4) via working connections (15, 12b, 12c) depending on the control signals (SA, SB) or the control pressure (pA, pB), a first control unit for outputting the control signals (SA, SB) depending on a target vehicle deceleration (zSoll) for the electrical actuation of the at least one control valve (13, 11), wherein the target vehicle deceleration (zSoll) can be specified by a first brake valve, and the first brake valve specifies a first brake valve control pressure (pA1, pB1) at the at least one brake circuit (A, B), characterized in that a second brake valve for outputting a second brake valve control pressure (pA2, pB2) is disposed in the pneumatic brake system such that the first brake valve control pressure (pA1, pB1) of the first brake valve and/or the second brake valve control pressure (pA2, pB2) of the second brake valve is output as a control pressure (pA, pB) to the at least one control valve (13, 11) for the pneumatic actuation of the at least one control valve (13, 11), wherein the second brake valve can be electronically controlled if electrical actuation of the at least one control valve (11, 13) is prevented to create an electronically-pneumatically controlled redundancy.