A vehicle communications terminal, wherein the vehicle communications terminal comprises: a dedicated short range communications, DSRC, module adapted for short range direct vehicle-to-vehicle wireless communication using DSRC resources with a DSRC module in another vehicle to implement direct wireless communication between vehicles and a cellular mobile communications module adapted for receiving/sending messages from/to a base station of a cellular communication network, and the DSRC module and the cellular mobile communications module are connected to each other by using an interface connecting an Radio Resource Control, RRC, control protocol layer of the cellular mobile communications module and an Radio Resource Control-WAVE, RRC-W, layer of the DSCR module; wherein the DSRC module is configured to be in a wireless connection to a DSRC module in another vehicle communications terminal to implement wireless communication between vehicles; and wherein the cellular mobile communications module is configured, for a periodic safety type message, if the DSRC module of the vehicle communications terminal needs to send the message to another vehicle communications terminal, to: receive a DSRC resource allocation request message that is forwarded by the DSRC module to the cellular mobile communications module by using the interface and is therefore sent by the cellular mobile communications module to the base station, and receive a DSRC resource allocation control message for the DSRC module from the base station, and forward the DSRC resource allocation control message to the DSRC module by using the interface, wherein the base station controls a DSRC resource and adjusts a resource configuration parameter. a dedicated short range communications, DSRC, module adapted for short range direct vehicle-to-vehicle wireless communication using DSRC resources with a DSRC module in another vehicle to implement direct wireless communication between vehicles and a cellular mobile communications module adapted for receiving/sending messages from/to a base station of a cellular communication network, and the DSRC module and the cellular mobile communications module are connected to each other by using an interface connecting an Radio Resource Control, RRC, control protocol layer of the cellular mobile communications module and an Radio Resource Control-WAVE, RRC-W, layer of the DSCR module; wherein the DSRC module is configured to be in a wireless connection to a DSRC module in another vehicle communications terminal to implement wireless communication between vehicles; and wherein the cellular mobile communications module is configured, for a periodic safety type message, if the DSRC module of the vehicle communications terminal needs to send the message to another vehicle communications terminal, to: receive a DSRC resource allocation request message that is forwarded by the DSRC module to the cellular mobile communications module by using the interface and is therefore sent by the cellular mobile communications module to the base station, and receive a DSRC resource allocation control message for the DSRC module from the base station, and forward the DSRC resource allocation control message to the DSRC module by using the interface, wherein the base station controls a DSRC resource and adjusts a resource configuration parameter. receive a DSRC resource allocation request message that is forwarded by the DSRC module to the cellular mobile communications module by using the interface and is therefore sent by the cellular mobile communications module to the base station, and receive a DSRC resource allocation control message for the DSRC module from the base station, and forward the DSRC resource allocation control message to the DSRC module by using the interface, wherein the base station controls a DSRC resource and adjusts a resource configuration parameter.