Sewer pipes measuring more than 12 inches in diameter and having a capacity of 1 to 10 million gallons per day. Trunk lines connect smaller sewer pipes, or collectors, to the largest transport pipes, or interceptors.

Oil pipelines used for the long-distance movements of crude oil, refined oil, or other liquid products.

See PIPELINE SYSTEM.

Telephone lines outside of a customer’s premises used for local toll or long distance toll calls. :: X Y Z : Home : Guide TOC