(1) Whether studies have been conducted to ascertain the effects that the fluorescent lights that are being used in the Gauteng Freeway Improvement Project (GFIP) gantries have on motorists; if not, why not; if so, what (a) was the (i) scope and (ii) nature of the study and (b) what were the results of the study; (2) whether any research has been conducted to establish whether the specified type of study had been undertaken in other countries; if not, why not; if so, (a) what were the findings, (b) which of the findings (i) had been and (ii) had not been taken into account and (c) what are the further relevant details?