| Null |
| Biological controls: goats, bio-controls, etc. |
| Broadcast herbicide (broadleaf, growth retardant, pre-emergent) up to 25' of right-of-way |
| Broadcast non-selective herbicide |
| Conditional herbicide treatment |
| Default: Spot Treat with systemic herbicide |
| Herbicide at edge of pavement and taper |
| Mechanical controls: scything, blading, weed-eating |
| No herbicide treatment |
| Spot Treat with low-toxicity herbicide |
| Spot Treat with selective herbicide |
