David Layhew is the Director/Assistant Chief Engineer of Region 3, which is located in Nashville. It is his responsibility to direct department operations throughout the 26-county Middle Tennessee region. Major areas of operational responsibilities include highway construction implementation and compliance, highway maintenance and repair, highway marking, bridge inspection and repair, state aid roads program, materials and tests, highway beautification, environmental conformity, highway safety, and office administration, including personnel matters.
Region 1 (Knoxville) |
![]() |
| Bridge 615.350.4365 |
Construction 615.350.4380 |
![]() |
| ITS 615.350.4189 |
Maintenance 615.350.4340 |
|
| Materials & Tests 615.350.4310 |
Special Projects 615.350.4465 |
|
| Traffic 615.350.4189 |
|