▁cross w inds , ▁heavy ▁traffic ▁and ▁in ▁dangerous ▁mountain ous ▁routes ▁and ▁ 6 0   km / h ▁( 3 7   m ph ) ▁is ▁applied ▁ 1   km ▁before ▁the ▁to ll ▁pla za ▁Speed ▁tra ps ▁are ▁also ▁deployed ▁by ▁the ▁Malays ian ▁police ▁at ▁many ▁places ▁along ▁the ▁express ways . ▁ ▁Ex cluded ▁vehicles ▁These ▁vehicles ▁may ▁not ▁use ▁the ▁express ways : ▁ ▁PL US ▁Express ways ▁networks ▁and ▁East ▁Coast ▁Express way ▁( E CE ) ▁ ▁B icy cles ▁ ▁Ste am ▁roll er ▁ ▁T ract ors ▁ ▁Ex c av ators ▁and ▁back ho es ▁ ▁North – S outh ▁Express way ▁Northern ▁Route ▁( S ung ai ▁Bul oh – B uk it ▁Lan jan ), ▁New ▁K lang ▁Valley ▁Express way ▁( Sh ah ▁Al am – J al an ▁D uta ), ▁Federal ▁Highway ▁( S ung ai ▁Ras au – B atu ▁T iga ): ▁Monday ▁to ▁Friday ▁( Ex cept ▁Public ▁Hol id ays ) ▁from ▁ 6 . 3 0 am ▁to ▁ 9 . 3 0 am ▁ ▁He avy ▁vehicles ▁we igh ing ▁ 1 0 , 0 0 0   kg ▁or ▁more ▁ ▁A mp ang – K ual a ▁L ump ur ▁E lev ated ▁Highway ▁( AK LE H ) ▁ ▁B icy cles ▁ ▁Maj u ▁Express way ▁( ME X ) ▁( K ual a ▁L ump ur – Put raj aya ▁Express way ▁( K