For over 70 years, municipalities and businesses throughout the mid-Atlantic region have come to rely on ARRO as their engineering firm of choice. Our expert staff provides municipalities with feasible solutions for establishing quality infrastructure that is economically viable for the growth of the community. Our unique combination of full-service capabilities backed by a proven track record of success show that ARRO is the right choice for even the most challenging civil/municipal projects.

We know what matters to you – successful communication, cost-effective solutions, and delivering exceptional results on time and within budget. We understand that our reputation rests on committing to our clients, anticipating their needs, and staying ahead of expectations.

Civil/Municipal Services


  • Runoff analysis                  
  • Collection system design
  • Management plans and ordinances
  • Act 167 review and assistance
  • Floodplain analysis                                            
  • HEC/RAS analysis

Building Code Enforcement and Inspection

  • Building code ordinance review
  • Property maintenance inspections
  • Existing permit and inspection fees
  • Building code interpretation
  • Building construction application reviews
  • Resident complaint investigations

Construction Management and Observation

  • Resident project representative (RPR)
  • Construction engineering
  • Construction management

Transportation and Traffic

  • Drainage design
  • Street and roadway design
  • Curbing and sidewalks
  • Parking studies and parking facilities design
  • Traffic signalization warrant studies, design, review
  • Traffic counts
  • Traffic circulation
  • Traffic impact studies
  • Bridge and culvert design
  • Pavement management
  • Signage and speed studies
  • Highway occupancy permits

Parks and Recreation

  • Bicycle and pedestrian trails
  • Active and passive facilities
  • Athletic fields
  • Community and activity buildings
  • Play areas

Plan Reviews

  • Stormwater reviews
  • Land development reviews
  • Modification requests
  • Utility reviews



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