▁locomot ives ▁purchased ▁by ▁rail ro ads ▁since ▁the ▁war . ▁ ▁November ▁ 1 0 ▁- ▁Ch rys ler ▁President ▁L . ▁L . ▁Col bert ▁announced ▁a ▁five - year , ▁$ 1 ▁billion ▁expansion ▁program , ▁including ▁an ▁East ▁Coast ▁assembly ▁plant ▁and ▁research ▁and ▁development ▁on ▁gas ▁tur bine ▁engines , ▁electron ics , ▁and ▁nuclear ▁and ▁solar ▁energy . ▁ ▁November ▁ 1 1 ▁- ▁G ov . ▁G . ▁M ennen ▁Williams ▁signed ▁a ▁bill ▁passed ▁at ▁a ▁special ▁joint ▁session ▁of ▁the ▁Michigan ▁Legisl ature ▁en act ing ▁a ▁maximum ▁speed ▁limit ▁of ▁ 6 5 ▁miles ▁per ▁hour ▁in ▁the ▁day time ▁and ▁ 5 5 ▁miles ▁per ▁hour ▁at ▁night time . ▁Michigan ▁had ▁not ▁had ▁a ▁speed ▁limit ▁law ▁in ▁effect ▁since ▁ 1 9 2 7 . ▁The ▁law ▁was ▁set ▁to ▁be ▁effective ▁February ▁ 3 , ▁ 1 9 5 6 . ▁ ▁November ▁ 1 4 ▁- ▁Detroit ▁Police ▁Commission er ▁Edward ▁S . ▁P igg ins ▁said ▁his ▁officers ▁would ▁begin ▁using ▁un mark ed ▁cars ▁to ▁pat rol ▁Detroit ' s ▁fre ew ays ▁to ▁control ▁speed ing ▁and ▁reck less ▁driving . ▁In ▁the ▁first ▁day ▁of ▁such ▁pat rol s , ▁three ▁un mark ed ▁cars ▁issued ▁ 8 5 ▁tick ets ▁in ▁ 1 5 ▁hours . ▁ ▁November ▁ 1 7 ▁- ▁Ten ▁persons , ▁mostly ▁hun ters , ▁died ▁in ▁a ▁winter ▁storm . ▁Two ▁of ▁the ▁men ▁died ▁while ▁du ck