They shouldn't lower the speed limit. IMHO
What he said.
Apologies for getting on the soap box, but, everyone talks about 'dangerous' roads - there's no such thing, only dangerous drivers. Certain roads may present certain 'challenges' and require the application of differing driving techniques. Does anyone else remember Slack Hill before it was 'straightened'? I would call that a far more challenging stretch of road than it is now.
If everyone drove how they (should) have been taught there would be no traffic collisions. Is it a coincidence that the Emergency services no longer call them RTA(ccidents), now known as RTC(ollisions)? By definition an accident is something which cannot be avoided, any collision can be if everyone drove correctly and gave the roads there UNDIVIDED attention.
Reducing the speed limit will not suddenly reduce collisions, the majority of drivers already keep to the limit, how many of these collisions have excess speed been a causal factor? If they ignore current limits what will make them suddenly keep to the new ones?
#getsoffsoapboxtoletsomeoneelsehaveaturn!