The route is not a part of the National Highway System.

It is not included within the National Highway System.

The road is listed as part of the National Highway System.

K-143 is not a part of the National Highway System.

No part of the route is inclusive within the National Highway System.

K-43 is not part of the National Highway System.

I-264 is a part of the National Highway System for its entire length.

It is also part of the National Highway System.

The route is not included in the National Highway System.

The route is not inclusive within the National Highway System.