An installation for acquiring and controlling documentary data on board a vehicle, said installation comprising: a vehicle passage authorization signaling device; an acquisition and communication device, which comprises at least: a tablet comprising at least one screen and a documentary information reading module, a data transmission module connected at least to the reading module to transmit data to a remote server, a data reception module for receiving data from the remote server, a control module for controlling the actuation of the vehicle passage authorization signaling device; and a terminal fixed to the ground and comprising at least one housing to receive the tablet, wherein the terminal further comprises a presence sensor to detect the presence of the tablet in the housing, the terminal further comprising a computer arranged to control the actuation of the vehicle passage authorization signaling device, said computer communicating with the control module, wherein the presence sensor is connected to the computer, and wherein said computer is configured to prohibit the actuation of the vehicle passage authorization signaling device if the presence of the tablet in the housing is not detected by the presence sensor. a vehicle passage authorization signaling device; an acquisition and communication device, which comprises at least: a tablet comprising at least one screen and a documentary information reading module, a data transmission module connected at least to the reading module to transmit data to a remote server, a data reception module for receiving data from the remote server, a control module for controlling the actuation of the vehicle passage authorization signaling device; and a terminal fixed to the ground and comprising at least one housing to receive the tablet, wherein the terminal further comprises a presence sensor to detect the presence of the tablet in the housing, the terminal further comprising a computer arranged to control the actuation of the vehicle passage authorization signaling device, said computer communicating with the control module, wherein the presence sensor is connected to the computer, and wherein said computer is configured to prohibit the actuation of the vehicle passage authorization signaling device if the presence of the tablet in the housing is not detected by the presence sensor. a tablet comprising at least one screen and a documentary information reading module, a data transmission module connected at least to the reading module to transmit data to a remote server, a data reception module for receiving data from the remote server, a control module for controlling the actuation of the vehicle passage authorization signaling device; and a terminal fixed to the ground and comprising at least one housing to receive the tablet, wherein the terminal further comprises a presence sensor to detect the presence of the tablet in the housing, the terminal further comprising a computer arranged to control the actuation of the vehicle passage authorization signaling device, said computer communicating with the control module, wherein the presence sensor is connected to the computer, and wherein said computer is configured to prohibit the actuation of the vehicle passage authorization signaling device if the presence of the tablet in the housing is not detected by the presence sensor.