Byron J. O'Quinn Appointed Transportation Project Development Director for ARCADIS Geraghty & Miller.

Business Editors, Environmental Writers

DENVER--(BUSINESS WIRE)--March 13, 2000

ARCADIS Geraghty & Miller, an environmental and engineering services consulting firm, has appointed Byron J. "Barney" O'Quinn, P.E., vice president and transportation project development director.

In this role, O'Quinn is responsible for the oversight and expansion of the firm's national transportation project development practice.

O'Quinn, recognized nationally as an expert within the transportation industry, has 34 years of experience in conducting highway route location studies, feasibility studies, and environmental permitting. He has demonstrated success in balancing the social, economic, environmental, and engineering aspects of transportation projects. By appointment of the U.S. Secretary of the Interior, O'Quinn currently serves on the Going-to-the-Sun Road Advisory Committee which provides advice to the National Park Service regarding improvements to the historic highway that passes through Glacier National Park, Montana.

For the past three years, O'Quinn served as manager of the transportation environmental program in the firm's Raleigh, North Carolina, operations. His responsibilities included providing oversight and technical support for transportation planning projects. Prior to joining ARCADIS, O'Quinn spent 31 years with the North Carolina Department of Transportation (NCDOT). During his tenure with NCDOT, he developed the state environmental compliance program and served as head of the environmental planning group.

"I look forward to working with my colleagues in the Departments of Transportation throughout the country," said O'Quinn. "As ARCADIS continues the geographic expansion of its transportation practice, I will focus my efforts on offering our clients a wider range of capabilities in transportation project development services."

According to Chief Operating Officer Michael Myers, "Barney's expertise in transportation engineering provides our clients with an excellent resource for assistance in the development of transportation improvement projects. By expanding Barney's role to focus on a national level, we are making significant progress toward providing our clients with leading industry experts across the country."

ARCADIS Geraghty & Miller is an environmental and engineering services consulting firm, specializing in full-service capabilities within the environment, infrastructure, and buildings sectors. The firm is the U.S.-based operations arm of ARCADIS NV (NASDAQ: ARCAF) (Arnhem, The Netherlands), a multi-national engineering company specializing in consulting and implementation services for environment, infrastructure, and construction engineering.