Vehicle braking system comprising a parking brake indicator device and vehicle provided with such a braking system

A rail vehicle braking system comprising:

• a body delimiting one or both of a service brake pressure chamber or a parking brake pressure chamber;
• a parking brake movable relative to the body;
• an unlocking part for unlocking the parking brake connected to the parking brake chamber and accessible from outside the body;
• and
• a parking brake indicator device, wherein the indicator device is configured to receive a first item of information representing a position of the unlocking part via a first state pipe configured to be connected to the unlocking part, the indicator device also configured to receive at least one second item of information representing one or more of the supply or venting of one or more of a service brake pressure chamber or the parking brake pressure chamber, the indicator device configured to receive the at least one second item of information via at least one of a second state pipe or a third state pipe configured to be connected to one or more of a service brake pipe or to a parking brake, the first item of information being processed in combination with the at least one second item of information to detect and indicate an engaged state or a disengaged state of the parking brake.