(a) General. The following types of work are exempt from the requirements contained in this chapter and in the MUTCD:

1. (1) Snow plowing and other snow or ice control operations.
2. (2) Refuse collection, trash collection, leaf pick-up, street cleaning, municipal street sweeping and residential lawn care.
3. (3) Operations which do not involve construction, maintenance operations or utility work, such as mail, newspaper, home fuel or other local deliveries.
4. (4) Studies or inspections of highway or utility features which may be completed without blocking any part of a travel lane.
5. (5) Construction, maintenance operations or utility work in areas outside the highway right-of-way; except when the work is so close to the highway that workers, equipment or materials encroach on the highway.
6. (6) Construction, maintenance operations or utility work where all workers, equipment or materials are behind a guide rail, more than 2 feet behind a curb or 15 feet or more from the edge of a roadway.
7. (7) Mowing operations on roads with less than 10,000 vehicles per day and where equipment does not encroach on the roadway.
8. (8) Traffic data collection.