We provide a complete range of transportation engineering services, from local thoroughfare reconstruction / new construction projects to major freeway and interchange design. We have worked for and with local transportation infrastructure owners including TxDOT, BCTRA, FBCTRA, HCTRA, METRO, and Brazoria, Fort Bend, Harris, and Montgomery Counties.
These projects have included new construction; neighborhood street reconstruction, widening and rehabilitation; grade separations, freeways, toll roads, multi-lane highways, interchanges, and FM roadways. Services for these projects have included feasibility studies, alternative analysis, hydraulic analyses, and the design of pavement, utilities, traffic control, bridges, utility relocations, sidewalks and construction management. Costello assists in the permitting process with regulatory agencies, with utility coordination and relocation, and also with public education/involvement meetings. We work with specialty consultants, such as environmental scientists, geotechnical engineers, and urban foresters to offer a complete project team that meets the needs of each client.