(a) Location.

1. (1) Separate sign.

   1. (A) Except as provided in 27 CAR § 132-403(d) and subdivision (b)(3) of this section, a separate sign shall be provided for each type of service for which business sign panels are displayed.
   2. (B) No service type shall be displayed on more than one (1) sign along an approach to an interchange.

2. (2) Relationship to exit gore.

   1. (A) The specific service signs shall be erected between the previous interchange and eight hundred feet (800’) in advance of the exit direction sign at the interchange from which the services are available.
   2. (B) There should be at least eight hundred feet (800’) spacing between the main lanes specific service signs.
   3. (C) Excessive spacing should be avoided.
3. (3) Convenient reentry required. Specific service signs shall not be installed at an interchange where the motorist cannot conveniently reenter the interstate highway or freeway and continue in the same direction of travel.

4. (4) Exit ramp signs.

   1. (A) At single-exit interchanges where service facilities are not visible from a ramp terminal, ramp signs shall be installed along the ramp or at the ramp terminal and along the highway crossroad leading to the service facility, if turns are required from the highway crossroad.
   2. (B) These signs shall be duplicates of the corresponding specific service signs along the main roadway but reduced in size.
   3. (C) The signs shall include the distances to the service installations and directional arrows in lieu of words.
   4. (D) The minimum letter height should be four inches (4”) except that any legend on a symbol shall be proportional to the size of the symbol.
   5. (E) Ramp signing may be used on ramps and highway crossroads at double-exit interchanges.

(b) Composition.

1. (1) (1) Single-exit interchanges.

   1. (A) The name of the type of service followed by the exit number shall be displayed in one (1) line above the business sign panels.
   2. (B) The “GAS”, “FOOD”, “LODGING”, “CAMPING”, and “ATTRACTIONS” specific service signs shall be limited to six (6) business sign panels each.

2. (2) Double-exit interchanges.

   1. (A) The specific service signs shall consist of two (2) sections, one (1) for each exit.
   2. (B) The top section shall display the business sign panels for the first exit and the lower section shall display the business sign panels for the second exit.
   3. (C) The name of the type of service followed by the exit number shall be displayed in a line above the business sign panels in each direction.
   4. (D) Where a type of motorist service is to be signed for at only one (1) exit, one (1) section of the specific service sign may be omitted, or a single-exit interchange sign may be used.
   5. (E) The number of business sign panels on the specific service sign (total of both sections) shall be limited to six (6) each for “GAS”, “FOOD”, “LODGING”, “CAMPING”, and “ATTRACTIONS”.

3. (3) Combination signs.

   1. (A) In areas where not more than two (2) qualified facilities are available for each of two (2) or more types of services, or areas where sign spacing is limited, business sign panels for two (2) types of services may be displayed on the same specific service sign.
   2. (B) Not more than four (4) business sign panels for a type of service shall be displayed in combination on a specific service sign.
   3. (C) The name of each type of service shall be displayed above its respective business sign panels, and the exit number shall be displayed above the names of the types of services.
   4. (D) Business sign panels should not be combined on a specific service sign when it is anticipated that additional service facilities will become available in the near future.

(c) Size.

1. (1) Business signs. Each business sign panel on the main lane specific service signs shall be contained within a sixty-inch-wide and thirty-six-inch-high rectangular background area, including border.
2. (2) Legends. All letters used in the name of the type of service and the directional legend shall be in conformance with the MUTCD.