Now the road deteriorated rapidly, from gravel to dirt, to little more than ruts.

By the early 19th century, German roads had deteriorated to an appalling extent.

From the mid-1940s until the early 1970s is was possible to reach the village by car, but the road deteriorated from lack of maintenance.

We followed these instructions with regret, because the new road rapidly deteriorated into a ribbon of mire.

This secondary road soon deteriorated to little more than an overgrown, cart-rutted track.

Highway maintenance could be reduced, allowing the roads to further deteriorate.

During the 1980s, roads throughout the country had deteriorated to the point that many were little more than sparsely paved dirt trails.

Many roads in Sebokeng have deteriorated and remained untarred for more than 30 years.

The old road she'd roughly paralleled all day had badly deteriorated until it finally gave way to tangled forest.

All the roads to the area have deteriorated, making it difficult to find the settlement and, thus, to reach it.