The park is frequently closed to visitors because of sulphuric gas emissions.

The ford has a gate, which is frequently closed when high water makes crossing it dangerous.

The park is frequently closed because of sulphur gas.

The road is frequently closed in winter due to snowfall or landslides.

Few do so these days because the crossings are frequently closed.

During the rainy season, the airport is frequently closed due to the weather.

Note that the road is frequently closed in spring by the Forest Service.

Mann, a 13 year old boy whose school is frequently closed due to occupation orders.

Unfortunately, the museum is frequently closed outside the summer months.

The road was frequently closed for extended periods during the winter, making it a seasonal route.