See also: 32 3140 - High Security Fences and Gates

J-J Hooks
NCHRP-350, TL3 Approved; First system available in America with no pins, bolts or loose hardware; Fastest installation time; Lowest in-place costs; Eliminates hardware replacement costs; Only barrier with identical ends; Straight vertical lift; Self-aligning - automatically "hooks" into place; Requires smaller installation crews; Improved worker safety; Tight radius ability; Manufactured nationally by local producers.

Transpo Industries ![]()
VISI-BARRIER™ polymer concrete barrier panels are used for medians, tunnels, bridge parapets and bridge rails. A retro-reflective safety stripe gives high visibility in all weather conditions. The bright, white surface resists salts, chlorides and corrosion. Visi-Barrier™ can be custom designed to fit a wide variety of sites.
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J-J Hooks
NCHRP-350, TL3 Approved; First system available in America with no pins, bolts or loose hardware; Fastest installation time; Lowest in-place costs; Eliminates hardware replacement costs; Only barrier with identical ends; Straight vertical lift; Self-aligning - automatically "hooks" into place; Requires smaller installation crews; Improved worker safety; Tight radius ability; Manufactured nationally by local producers.

Transpo Industries ![]()
VISI-BARRIER™ polymer concrete barrier panels are used for medians, tunnels, bridge parapets and bridge rails. A retro-reflective safety stripe gives high visibility in all weather conditions. The bright, white surface resists salts, chlorides and corrosion. Visi-Barrier™ can be custom designed to fit a wide variety of sites.