| HWY-0733 | | Environment and Hydraulics | Flora and Fauna | G. Dennis Pipkin |
| 2007-02 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2007-17 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2006-17 | | Environment and Hydraulics | Erosion and Turbidity Control | G. Dennis Pipkin |
| 2006-22 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| HWY-0754 | | Environment and Hydraulics | Flora and Fauna | G. Dennis Pipkin |
| 2006-09 | | Planning, Policy, Programming and Multi-modal | Trucking and Freight | G. Dennis Pipkin |
| 2005-07 | | Environment and Hydraulics | Flora and Fauna | G. Dennis Pipkin |
| 2005-05 | | Environment and Hydraulics | Stream Mitigation | G. Dennis Pipkin |
| 2005-06 | | Environment and Hydraulics | Wetlands Mitigation | G. Dennis Pipkin |
| 2005-21 | | Environment and Hydraulics | Wetlands Mitigation | G. Dennis Pipkin |
| 2005-23 | | Environment and Hydraulics | Erosion and Turbidity Control | G. Dennis Pipkin |
| 2005-24 | | Environment and Hydraulics | Erosion and Turbidity Control | G. Dennis Pipkin |
| 2005-29 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2005-11 | | Planning, Policy, Programming and Multi-modal | Traffic Surveys, Modeling and Forecasting | G. Dennis Pipkin |
| 2004-07 | | Environment and Hydraulics | Flora and Fauna | G. Dennis Pipkin |
| 2004-18 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2004-19 | | Environment and Hydraulics | Wetlands Mitigation | G. Dennis Pipkin |
| 2004-23 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2004-26 | | Environment and Hydraulics | Erosion and Turbidity Control | G. Dennis Pipkin |
| 2003-04 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2003-17 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2003-19 | | Environment and Hydraulics | Water Quality and Pollutant Discharge | G. Dennis Pipkin |
| 2003-18 | | Environment and Hydraulics | Wetlands Mitigation | G. Dennis Pipkin |
| 2003-05 | | Planning, Policy, Programming and Multi-modal | Facility Design | G. Dennis Pipkin |
| 2003-13 | | Planning, Policy, Programming and Multi-modal | Traffic Surveys, Modeling and Forecasting | G. Dennis Pipkin |
| 2003-16 | | Planning, Policy, Programming and Multi-modal | Land Use Planning | G. Dennis Pipkin |
| 2003-12 | | Planning, Policy, Programming and Multi-modal | Traffic Surveys, Modeling and Forecasting | G. Dennis Pipkin |
| 2003-15 | | Structures, Construction and Geotechnical | Miscellaneous | G. Dennis Pipkin |
| 2002-05 | | | | G. Dennis Pipkin |