An easement is a right to do something on the land (real estate) of someone else, such as using a driveway across someone's property to get to a garage on an adjacent parcel. Other commonly used...
in most cases the answer is yes. you may landscape the area, but that area is subject to be torn up by a utility comany or holder of the easement for a legal purpose such a as pipe repair or utility...
You need to approach the owner of the road and negotiate for additional easement rights. You should also discuss the situation with an attorney to determine if the laws in your state confer any other...