
FG 300 Interstate Grade Curb System
Modular Lane Separation and Median Barrier System
The Interstate Grade FG 300 Curb System is a median separation system that provides efficient and cost-effective channelization of traffic on freeways, toll-ways, city streets and rail-highway at-grade crossings. This 1-piece curb system is an FHWA-approved passive traffic control device consisting of modular raised curb sections mountable by emergency vehicles, and FG 300 EFX uprights, the toughest channelizer posts on the market.
The system is designed for use wherever pavement markings are not sufficient to provide safe channelization. The FG 300 Curb System can significantly improve traffic safety in locations where these hazards exist.
This system offers substantially better performance than other designs by incorporating the FG 300 urethane posts into a unique, picket fence structure, that is quicker to install and easier to maintain.
Our new curb system features:
- Creates a dramatic picket fence effect, increases the visual barrier
- Low maintenance system with super-tough poly-urethane upright posts
- Both curb sections and upright posts impact tested at 60 MPH (100 KPH)
- An optional arc of road studs provides additional nighttime reflectivity
- Curb sections molded with solid color throughout, no painting required
- Internal radial rib structure of curbs supports 10,000 # of loading
- Four scuppers per curb section allow passage of water
- Curb sections install in just minutes with one person
- Design allows for circular or curved installations
- No moving parts to replace, no metal parts
- Curbs covered by 5-year pro-rated warranty
- Entire system tested & NCHRP 350 Approved!
Applications for the FG 300 Curb System include:
- Freeway Median Separator
- Rail-Highway “Quiet Zone” Crossings
- Acceleration Lanes
- Left-Turn Restrictions
- Thru Lane Protection in busy urban areas
- Work Zone 2-way, 2-lane separation
- Traffic Calming, Round-a-bouts & Traffic Circles
- Airport taxiway work zone closures
- Bike and Pedestrian Lanes.
FG 300 Curb System Interstate Grade Material Specifications
FG 300 Curb Bolt & Adhesive Installation Procedure Installation Procedures
Texas Transportation Institute Impact Testing (WMV)
Curb System Colors, Reflectors & Installation Tools
The FG 300 Curb System is manufactured in three standard colors - Yellow, White and Florescent Orange - with Blue and Red available by special order. Each Curb unit comes standard with a bright reflective lens at each end; optional reflective Road Studs provide an arc of reflectivity up and over the width of each curb section. We offer two grades of reflective sheeting - High Intensity and Reflexite AR 1000 - for our upright posts; each post can be made reflective in patterns to meet your specifications, including Orange/White and Black/Yellow Pre-stripe.

Our Curb System is installed with standard power tools using our unique removable and re-usable 1-piece anchor bolts. Installing a typical 200 foot section takes two workers less than a day. The upright posts use a simple quick-pin attachment to the base, which allows for rapid replacement of tubes. The light weight of this system puts less strain on workers backs, reducing the potential for injury & claims.
Availability
Filtrona Extrusion maintains the most extensive inventory of traffic reflectors and delineators in the industry. With distribution throughout North America and in many countries overseas, our products are available when and where you need them. Please contact us directly for more information or the name of the supplier in your area.
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Build Safer Roadways In a Matter of Hours! |
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Easily Installed By Road Crews With Standard Equipment |
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1. Layout Curb Sections and Channelizer Posts for drilling holes |
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2. Drill holes and screw in anchor bolts |
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3. FG 300 Curb System is ready for traffic! |

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- NTPEP National Test Deck Tested & Approved! (FG 300 Curb Upright Posts)
- NCHRP 350 Tested & Approved! (Complete Curb System tested at 61 MPH)
- Stands up to repeated vehicle impacts at over 60mph!
- Factory installed road studs for superb nighttime visibility
- Quick and simple installation of upright, tubular posts
- No special tools or soapy water required!
- No restrictions on stacking or storage!