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HIGHWAY DESIGN
Experience is the key to consistent, high-quality performance. At D&H, our well qualified engineers bring expertise in horizontal and extensive vertical alignment and extensive knowledge of the latest AASHTO guidelines.
D&H is experienced with both WVDOH and VDOT.
Our Services:
- Planning / Corridor / Feasibility Studies
- Preliminary Engineering / NEPA Documentation
- Final Design using Geopak and InRoads
- Environmental Documentation and Permitting
- Drainage Design / Hydraulic Analysis
- Erosion and Sediment Pollution Control
- Public Involvement
- Quality Assurance / Quality Control (QA/QC) Review
- Right-of-Way
- Signing and Pavement Markings
- Specification Writing
- Storm Water Management
- 3D Visualization
Highway Mining / Coal Synergy Projects
- King Coal Highway: Red Jacket Section (13 miles)
- - Rough grade Plans
- - Final Paving Plans
- Coalfields Expressway Feasibility Study (30 miles)
- Coalfields Expressway: Hawks Nest Section (2 miles)
- - Rough grade Plans
©2012 Dieffenbauch & Hritz, LLC
12 Rousch Drive, Morgantown, WV 26501. Phone: 304-985-5555