Disregarding the fact that someone else violating a road law doesn't entitle you to run them over, that is an unnecessary complication in his scenario. You can

Disregarding the fact that someone else violating a road law doesn't entitle you to run them over, that is an unnecessary complication in his scenario. You can be just as much in the ominous "blind spot" standing in a separate bike lane, or even just in a separate lane when the HGV tries to change lanes.