Spec InterpretationSelection Guide: FHWA
NW = NonWoven
| FHWA Section & Application | TYPE | |||||||||||
| 714-1 Subsurface Drainage | I-A Woven | I-A NW | I-B Woven | I-B NW | I-C Woven | I-C NW | I-D Woven | I-D NW | I-E Woven | I-E NW | I-F Woven | I-F NW |
| US Fabrics’ Geotextile | US 230C | US 160NW | US 670 | US 160NW | US 670 | US 160NW | US 230C | US 115NW | US 670 | US 115NW | US 670 | US 115NW |
| 714-2 Separation | II-A Woven | II-A NW | II-B Woven | II-B NW | II-C Woven | II-C NW | ||||||
| US Fabrics’ Geotextile | US 315 | US 205NW | US 250 | US 160NW | US 200 | US 115NW | ||||||
| 714-3 Stabilization | III-A Woven | III-A NW | III-B Woven | III-B NW | ||||||||
| US Fabrics’ Geotextile | US 315 | US 205NW | US 250 | US 160NW | ||||||||
| 714-4 Permanent Erosion Control | IV-A Woven | IV-A NW | IV-B *Woven | IV-B NW | IV-C Woven | IV-C *NW | IV-D Woven | IV-D NW | IV-E Woven | IV-E NW | IV-F Woven | IV-F NW |
| US Fabrics’ Geotextile | US 230C | US 205NW | US 230C | US 205NW | US 230C | US 205NW | US 230C | US 160NW | US 670 | US 160NW | US 670 | US 160NW |
| 714-6 Paving | NW | *Exception must be taken for A.O.S. | ||||||||||
| US Fabrics’ Geotextile | US 100P | |||||||||||