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HDR|WHM is Precertified in the
following
Texas Department of Transportation Work Categories:
1.1.1 Policy Planning
1.2.1 Systems Planning
1.3.1 Subarea/Corridor Planning
1.4.1 Land Planning/Engineering
1.5.1 Feasibility Studies
3.1.1 Route Studies & Schematic Design - Minor Roadways
3.3.1 Route Studies and Schematic Design - Complex Highways
4.1.1 Minor Roadway Design
7.1.1 Traffic Engineering Studies
7.2.1 Highway-Rail Grade Crossing Studies
7.3.1 Traffic Signal Timing
7.4.1 Traffic Control Systems Analysis, Design and Implementation
7.5.1 Intelligent Transportation Systems
8.1.1 Signing, Pavement Marking and Channelization
8.2.1 Illumination
8.3.1 Signalization
8.4.1 ITS Control Systems Analysis, Design & Implementation
8.5.1 Highway-Rail Grade Crossings
9.1.1 Bicycle and Pedestrian Facility Development
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