Why should you avoid overtaking alongside the roadworks site?

You answered this question correctly. Overtaking alongside a roadworks site should be avoided for three main reasons. First, the time gained is often minimal because the construction zone usually only allows for a short overtaking stretch and can be congested. Second, vehicles in the right-hand lane might unpredictably cross the yellow road markings due to the narrow, shifted lanes, increasing the chance of collision. Third, the risk of accidents rises significantly in such tight and restricted spaces because there is less room for error and reaction time is reduced. In summary, it's safer and generally wiser to remain in your lane during roadworks and avoid unnecessary overtaking. This protects everyone and helps keep traffic flowing smoothly.