Online tests and testing for certification, practice tests, test making tools, medical testing and more.. The online reaction time test. instructions: click the large button on the right to begin. wait for the stoplight to turn green. when the stoplight turns green, click the large button quickly!. Change the road geometry by dragging; click onto the road to disturb traffic flow; drag obstacles or construction vehicles to create new bottlenecks.
Watch the best of channel 4, e4 and more4 on demand. includes a huge catch up window, an ever-expanding library of programmes, original shorts, exclusive shows and free box sets of top comedy, drama, documentary and entertainment series.. Test your knowledge on the meanings of traffic and road signs. part 1 of 5, consisting of 30 multiple choice questions.. Free uk road signs test. probably the largest road sign test on the internet, 50 signs!.