1. (1) Movements over eight feet six inches (8’6”) wide but not exceeding ten feet (10’) wide: No escorts, special signs, lights and/or markings will be required.

2. (2) Movements over ten feet (10’) wide but not exceeding twelve feet six inches (12’6”) wide:

   1. (a) No escort will be required to accompany the movement on the interstate highway system, on highways with four or more lanes, or on two-lane highways with a minimum pavement width (excluding paved shoulders) of twenty-four feet (24’).
   2. (b) One (1) escort vehicle is required to precede the movement where the minimum pavement width (excluding paved shoulders) is less than twenty-four feet (24’).
   3. (c) A flagperson will be required at all bridge structures where the roadway width is less than twenty feet (20’).
   4. (d) The front and rear of the movement shall be signed and marked as hereinafter set out in Rule 1680-07-01-.20.
   5. (e) Escort vehicles shall be signed and marked as hereinafter set out in Rule 1680-07-01- .21.
   6. (f) The time of movement may be restricted in accordance with Rule 1680-07-01-.04.

3. (3) Movements over twelve feet six inches (12’6”) wide but not exceeding thirteen feet six inches (13’6”) wide:

   1. (a) One (1) escort vehicle is required to follow the movement on the interstate highway system or highways with four or more lanes.
   2. (b) One (1) escort vehicle is required to precede the movement on two-lane highways.
   3. (c) A flagperson will be required at all bridge structures where the roadway width is less than twenty feet (20’).
   4. (d) The front and rear of the movement shall be signed and marked as hereinafter set out in Rule 1680-07-01-.20.
   5. (e) Escort vehicles shall be signed and marked as hereinafter set out in Rule 1680-07-01- .21.
   6. (f) The time of movement may be restricted in accordance with Rule 1680-07-01-.04.

4. (4) Movements over thirteen feet six inches (13’6”) wide but not exceeding sixteen feet (16’) wide:

   1. (a) Front and rear escort vehicles are required on all highways.
   2. (b) The towing vehicle and escort vehicles shall be so equipped as to be in radio communication at all times during the movement.
   3. (c) A flagperson will be required at all bridge structures where the roadway width is less than twenty feet (20’).
   4. (d) The front and rear of the movement shall be signed and marked as hereinafter set out in Rule 1680-07-01-.20. ON TENNESSEE HIGHWAYS
   5. (e) Escort vehicles shall be marked as hereinafter set out in Rule 1680-07-01-.21.
   6. (f) The time of movement may be restricted in accordance with Rule 1680-07-01-.04.

5. (5) Movements over sixteen feet (16’) wide:

   1. (a) Movements in excess of sixteen feet (16’) may be permitted, as provided in Rule 1680- 07-01-.12, if the movement is not detrimental or unsafe to the traveling public and the highway can accommodate the movement. A route survey shall be required prior to the issuance of a permit.

   2. (b) If movements over sixteen feet (16’) wide are permitted, the following conditions shall apply:

      1. 1. Front and rear escort vehicles are required on all highways.
      2. 2. The towing vehicle and escort vehicles shall be so equipped as to be in radio communication at all times during the movement.
      3. 3. A flagperson will be required at all bridge structures where the roadway width is less than twenty feet (20’).
      4. 4. The front and rear of the movement shall be signed and marked as hereinafter set out in Rule 1680-07-01-.20.
      5. 5. Escort vehicles shall be marked as hereinafter set out in Rule 1680-07-01-.21.
      6. 6. The time of movement may be restricted in accordance with Rule 1680-07-01- .04.

Authority: T.C.A. § 55-7-205. Administrative History: Original rule certified June 10, 1974. Repeal and new rule filed July 1, 1982; effective August 2.1982. Repeal and new rule filed October 31, 1985; effective November 30, 1985. Repeal and new rule filed June 19, 1991; effective August 3, 1991. Amendment filed January 25, 2001; effective May 31, 2001. Rule has been assigned a new control number from 1680-02- 02-.06 filed and effective February 1, 2003. Amendments filed February 14, 2018; effective May 15, 2018.