When it comes to roadway projects, we help you avoid unwanted detours.

We've worked on roadway projects continuously close to two decades and have extensive experience with all types of road, route and as-built survey projects to support transportation infrastructure. As a firm with all the tools of the trade – land surveying, photogrammetry, airborne, mobile and terrestrial LiDAR, GIS, subsurface utility engineering, utility coordination services, and construction services such as Construction Engineering and Inspection (CEI) – we work with you to choose the right tools to deliver efficient and effective solutions.

Roadway infrastructure services include:

  • GPS surveying for project development and construction
  • Boundary Surveys
  • Route Surveying
  • Right-of-way Mapping
  • Engineering Design Surveys
  • Drainage Feature and Facility Surveys
  • Ground Control for Aerial Mapping
  • HDS terrestrial laser scanning
  • Hydrographic Surveys
  • Construction Staking and As-built Surveys
  • Digital Orthophotography
  • Digital Planimetric & Topographic Mapping
  • Digital Terrain Modeling
  • Digital Elevation Modeling (DEM)
  • Record Research / Data Collection
  • Visible Surface Feature Survey
  • Utility Locating & Marking
  • Non-Destructive Vacuum Excavation
  • CAD Plan Preparation
  • Utility Survey Design/Specification
  • Utility Relocation Plans
  • Conflict Identification and Site Management
  • Subsurface Utility Engineering (SUE)
  • Construction Engineering and Inspection (CEI)

SAM is pre-certified by TxDOT in all surveying, mapping, and SUE work categories.