Norfolk Southern Corp. of Norfolk announced it will spend $690.7 million on capital improvements to its railway operations in 1991, compared with $683 million budgeted for similar capital improvements in 1990.

Spending plans call for $550 million in new projects and $140.7 million carried over from projects authorized in previous years.

The company will spend $224.7 million to install nearly 550 miles of new rail and replace 1.75 million crossties. Fifty-eight new locomotives will be purchased for $76.3 million.

The capital improvement budget also allocates funds for the upgrading of coal handling capabilities at the company's coal pier in Lambert's Point, Va., and the continuing construction of a coal storage site near Windsor, Va.

Cable & Wireless Communications Inc. of Vienna, a business-to-business telecommunications company, acquired the long-distance portion of GTE Corp.'s Telemessager's voice messaging business from GTE Interactive Services of Dallas. Terms of the agreement were not disclosed.

The service allows customers who use GTE's Telemessager voice-mail system to access their voice-mail boxes from anywhere by dialing a number with an 800 prefix.

Cable & Wireless already provides long-distance access to voice messaging systems operated by TIGON of Dallas, the largest provider of voice messaging services nationwide.

The addition of GTE's 40,000 voice mail customers doubles the company's client base for long-distance voice mail access.

Travel-On Ltd., the Bethesda-based chain of seven Washington area travel agencies, sold its Greenbelt branch office to William and Helen Svensen, who have renamed the agency Greenbelt Travel Services.

Travel-On was founded in the Greenbelt location in 1974. Terms of the transaction were not disclosed.

Raxco Software Inc. of Rockville, a software vendor, acquired five automated operations software products from ISA Solutions of Skokie, Ill. The acquisition adds a job scheduler, a systems management assistant and a console management system to Raxco's existing automated operations products.

Washington-based Unique Personnel and Temporaries began a profit-sharing program through which it will donate a percentage of its profits to the McKenna House, a shelter for the homeless in Washington.

General Kinetics Inc. of Rockville was awarded a $533,000 contract by Bell Aerospace Textron of Buffalo, N.Y., to supply electronic enclosures for use with the automatic carrier landing systems on four U.S. Navy aircraft carriers.

University Research Corp. of Bethesda was awarded a $700,000 contract by the World Health Organization to develop of a training course for national managers of AIDS programs in developing countries.

Netrix Corp. of Herndon was awarded a contract for an undisclosed amount by Transaction Communications Inc. of Washington to install an integrated switching system network for its national public transaction network.

Calvert Sales and Leasing Inc., a dealer and lessor of new and used computers, opened in Annapolis.

Butera & Andrews, a law firm specializing in lobbying and federal government relations, opened in Washington.

Rose of Renee Originals, a custom bridal salon, opened in Glen Burnie.

MAYA Corporation of America, a communications and event management company that specializes in Hispanic marketing, opened in Washington.

SideStream Productions Inc., a video and film production company, opened in Gaithersburg.

Barrington Consulting Group Inc. of New York opened an office in Washington.

Northlight Film and Video Productions Inc. moved its offices to Alexandria from Washington.

Montrose, Greenhill & Player, a direct marketing agency based in Bowie, was incorporated as MGP Direct Inc.

Professional Label Service Inc. of Silver Spring released version 1.0 of its software package Lazerpro, a laser sheet and labeling system.

Announcements of news and developments affecting Washington area companies should be sent to Regional Report, Business News Department, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071.