334L Cabinet

334L Cabinets are enhanced versions of the 334-style cabinet designed for ramp metering and other applications such as highway surveillance, CCTV, and CMS sign control. Meeting all Caltrans and FHWA requirements, 334L Cabinets offer ample room for up to two controllers and other equipment. The quality materials used and its rugged construction result in a dependable and low maintenance cabinet.


  • Use for traffic control or other applications
  • Store up to two controllers
  • Save energy
  • Versatile, weatherproof, and secure cabinet
  • Interchange assemblies between manufacturers
  • Reduce the effects of vandalism with optional anti-graffiti coating
  • Comply with Caltrans and FHWA requirements

Standard Features

  • 3-phase operation
  • 2-channel or 4-channel industry standard detection modules
  • Detector input panel with terminal blocks or Panduit ducts


  • Up to 28 isolated inputs
  • 9 AC switched outputs
  • Combined PDA-3L power distribution assembly, Model 206L 24 VDC plug-in power supply, and 3 loadswitch positions
  • Service panel
  • Controller shelf

General Specifications

Dimensions 67” H x 24” W x 30” D
Material 5052-H32 aluminum, 0.125” thick
Finish Natural, anodized, or powder coated with optional anti-graffiti coating
Door(s) Front (1), back (1), all full size
Handles 3/4” round, stainless steel, with padlock feature
Mounting Base mounted
Weight 200 lbs without plug-ins or controller


  • Anchor bolts for mounting
  • LED cabinet lights
  • Dual fans
  • Communication panels
  • External modems
  • Drawer/shelf assembly
  • 208 watch dog monitor
  • Underwriter's Laboratories Listed (cabinet housing)