Nebraska Revised Statutes Chapter 60. Motor Vehicles § 60-6,120. Placing and maintaining traffic control devices; jurisdiction

(2)(a) In incorporated cities and villages with less than forty thousand inhabitants as determined by the most recent federal decennial census or the most recent revised certified count by the United States Bureau of the Census, the department shall have exclusive jurisdiction regarding the erection and maintenance of traffic control devices on the state highway system but shall not place traffic control devices on the state highway system within incorporated cities of more than twenty-five hundred inhabitants as determined by the most recent federal decennial census or the most recent revised certified count by the United States Bureau of the Census without consultation with the proper city officials.

(b) In incorporated cities of forty thousand or more inhabitants as determined by the most recent federal decennial census or the most recent revised certified count by the United States Bureau of the Census, except on state-maintained freeways of the state highway system where the department retains exclusive jurisdiction, the city shall have jurisdiction regarding erection and maintenance of traffic control devices on the state highway system after consultation with the department, except that there shall be joint jurisdiction with the department for such traffic control devices for which the department accepts responsibility for the erection and maintenance.