age 1 of 18
Right-Of-Way Control Category 6 Exam 2025 with
correct Answers
Compared to a flat roadside, the safety recover zone will be
wider for: ......ANSWER........Fill slopes
The most problematic weeds in the safety recovery zone are:
......ANSWER........Trees
The single greatest cause of fatalities resulting from vehicles
hitting fixed objects is: ......ANSWER........Trees
Since an obstacle slows the wind for a distance of ____ times its
height, vegetation some distance from the roadside may require
control to prevent snowdrifts. ......ANSWER........15-20
,age 2 of 18
Total vegetation control is important in:
......ANSWER........Railroad yards, pumping stations, and electric
substations
Brush control, road crossings, yards, and line-of-road are
components of vegetation control for: ......ANSWER........Railroads
Structure inspection, conductor clearance, and emergency service
are reasons for controlling vegetation on:
......ANSWER........Electric lines
Aesthetics, drainage enhancement, sign visibility and sight
distance are reasons for controlling vegetation on:
......ANSWER........Roadsides
Noxious weeds: ......ANSWER........Vary from state to state and
may require control.
, age 3 of 18
Right-of-way vegetation control is generally required to
provide: ......ANSWER........System reliability, public safety, and
noxious weed control.
What type of plants is characterized by narrow upright leaves,
parallel veins running the length of the leaf, one leaf at
germination, and a fibrous root system?
......ANSWER........Grasses
What type of plants are characterized by leaves with net-like
veins, two leaves at germination, a taproot or coarse root
system, buds in each leaf axil, and not woody?
......ANSWER........Broadleaf forbs
Seedling weeds are more easily controlled because:
......ANSWER........Wax and cuticle are less thick; there are
generally fewer and shorter hairs; and they are smaller in size.
Right-Of-Way Control Category 6 Exam 2025 with
correct Answers
Compared to a flat roadside, the safety recover zone will be
wider for: ......ANSWER........Fill slopes
The most problematic weeds in the safety recovery zone are:
......ANSWER........Trees
The single greatest cause of fatalities resulting from vehicles
hitting fixed objects is: ......ANSWER........Trees
Since an obstacle slows the wind for a distance of ____ times its
height, vegetation some distance from the roadside may require
control to prevent snowdrifts. ......ANSWER........15-20
,age 2 of 18
Total vegetation control is important in:
......ANSWER........Railroad yards, pumping stations, and electric
substations
Brush control, road crossings, yards, and line-of-road are
components of vegetation control for: ......ANSWER........Railroads
Structure inspection, conductor clearance, and emergency service
are reasons for controlling vegetation on:
......ANSWER........Electric lines
Aesthetics, drainage enhancement, sign visibility and sight
distance are reasons for controlling vegetation on:
......ANSWER........Roadsides
Noxious weeds: ......ANSWER........Vary from state to state and
may require control.
, age 3 of 18
Right-of-way vegetation control is generally required to
provide: ......ANSWER........System reliability, public safety, and
noxious weed control.
What type of plants is characterized by narrow upright leaves,
parallel veins running the length of the leaf, one leaf at
germination, and a fibrous root system?
......ANSWER........Grasses
What type of plants are characterized by leaves with net-like
veins, two leaves at germination, a taproot or coarse root
system, buds in each leaf axil, and not woody?
......ANSWER........Broadleaf forbs
Seedling weeds are more easily controlled because:
......ANSWER........Wax and cuticle are less thick; there are
generally fewer and shorter hairs; and they are smaller in size.
