You can pave only an existing dirt road; most diagonal routes don't exist.

I-4 maintains a diagonal, northeast-southwest route for much of its length, although it is signed east-west.

He turned down the slope among the stone pines, taking a diagonal route along the mountainside.

State Route 81 is a diagonal route oriented generally from southwest to northeast.

Rick Hunter led his men on a 300-yard diagonal route across the rough ground between the outer fence and the accommodation block, deep in the interior of the base.

When you come to need more levels and get into diagonal routes, the transitions get harder to indicate.

We'll take a diagonal route to the restaurant using the roads set back in the farm country," said the black behind the wheel.

Although designated as an east-west highway, it is nearly a diagonal northwest-southeast route.

As I started across the bridge, I stepped off the curb and took a diagonal route to the middle of the street.

It is a northwest-southeast diagonal route.