The SAFENCE barrier is a proprietary cable system manufacturered by Gregory Highway. 
From the manufacturer's website:
SAFENCE® is a NCHRP 350 TL-3 and TL-4 approved tensioned wire rope cable barrier system from Gregory Industries. SAFENCE provides controlled impact protection when used on highways as a center roadway barrier, side barrier or slope barrier. All components are made in the United States.
Key features of the NU-Cable system are:
|NCHRP-350||✔️||TL-3||3 and 4 Wire|
|NCHRP-350||✔️||TL-4||3 and 4 Wire|