A system for evaluation of driver braking performance under emergency conditions, comprising: a driver measuring unit including a force measuring means and a communications means, the driver measuring unit being adapted for attachment to a road vehicle brake applicator interface and being operative to generate force measurement data representative of force applied by the driver to the brake applicator during an evaluation period and to transmit the force measurement data using the communications means; a vehicle measuring unit, in use carried by the vehicle, having a motion measuring means adapted to determine vehicle measurements comprising one or more of the vehicle acceleration, velocity and position, and a communications means, the vehicle measuring unit being operative to generate vehicle measurement data during the evaluation period and to transmit the vehicle measurement data using the communications means; and a processor unit having a display screen, and communications means (312, 314), wherein the processor unit is operative to receive via the communications means (312, 314) the force measurement data generated by the driver measuring unit and the vehicle measurement data generated by the vehicle measuring unit, and generate braking test result metrics therefrom for display on the display screen, wherein the force measuring means is adapted to provide a timing trigger for the evaluation period; the motion measuring means comprises a combination of an inertial measurement unit for determining acceleration/deceleration measurements and a GPS receiver configured for determining one or a combination of distance/positional measurements and velocity measurements based on the Doppler-effect on a GPS carrier signal; and, the processor unit is operative to enable selection of braking test parameters and to provide signals to the driver during a braking test procedure for the driver to act upon the provided signals and wherein the braking test result metrics comprise one or a combination of: driver reaction time; vehicle stop time; vehicle stop distance; brake pedal force; vehicle acceleration/deceleration; and, vehicle speed. a driver measuring unit including a force measuring means and a communications means, the driver measuring unit being adapted for attachment to a road vehicle brake applicator interface and being operative to generate force measurement data representative of force applied by the driver to the brake applicator during an evaluation period and to transmit the force measurement data using the communications means; a vehicle measuring unit, in use carried by the vehicle, having a motion measuring means adapted to determine vehicle measurements comprising one or more of the vehicle acceleration, velocity and position, and a communications means, the vehicle measuring unit being operative to generate vehicle measurement data during the evaluation period and to transmit the vehicle measurement data using the communications means; and a processor unit having a display screen, and communications means (312, 314), wherein the processor unit is operative to receive via the communications means (312, 314) the force measurement data generated by the driver measuring unit and the vehicle measurement data generated by the vehicle measuring unit, and generate braking test result metrics therefrom for display on the display screen, wherein the force measuring means is adapted to provide a timing trigger for the evaluation period; the motion measuring means comprises a combination of an inertial measurement unit for determining acceleration/deceleration measurements and a GPS receiver configured for determining one or a combination of distance/positional measurements and velocity measurements based on the Doppler-effect on a GPS carrier signal; and, the processor unit is operative to enable selection of braking test parameters and to provide signals to the driver during a braking test procedure for the driver to act upon the provided signals and wherein the braking test result metrics comprise one or a combination of: driver reaction time; vehicle stop time; vehicle stop distance; brake pedal force; vehicle acceleration/deceleration; and, vehicle speed. driver reaction time; vehicle stop time; vehicle stop distance; brake pedal force; vehicle acceleration/deceleration; and, vehicle speed.