Lufkin
Before a project is built, a study must be done to determine if it will fill a transportation need, will not negatively impact the surrounding area and fits the department's overall plan. During the study phase, potential projects are analyzed to determine if they are cost-effective while also efficiently improving mobility. Some of these projects have moved beyond the study phase and are under construction.
| Location | Project | Phase | Description |
| Angelina County | US 69 Center Turn Lane | Preliminary Design | Widen US 69 south of Lufkin to provide a 16-foot continuous two-way left turn lane and 10-foot shoulders |
| Angelina County | US 59 Upgrade Moffett Road to SH 103 (Future I-69) | Construction | Improvements to bring US 59 up to interstate standards - proposed northbound and southbound frontage roads along US 59 between Moffett Rd and SH 103 in Lufkin |
| Angelina County | US 59 Diboll Relief Route (Future I-69) | Construction | Improvements to bring US 59 to interstate standards - proposed 8-mile new location relief route near the city of Diboll |
| Nacogdoches County | US 59/SL 224 South Interchange (Future I-69) | Construction | Improvements to bring US 59 up to interstate standards - proposed direct connector and northbound and southbound frontage roads along US 59 from Spradley Street to the intersection of SH 7 West and SL 224 in Nacogdoches |
| Polk County | US 59 Corrigan Relief Route (Future I-69) | Construction | Improvements to bring US 59 up to interstate standards - proposed 6.5-mile new location relief route near the city of Corrigan |
| Angelina County | US 59 Upgrade Redland (Future I-69) | Construction | Improvements to bring US 59 up to interstate standards - proposed northbound and southbound frontage roads along US 59 between SL 287 and FM 2021 in Redland |
| San Jacinto/Liberty Counties | US 59 Upgrade Shepherd to Cleveland (Future I-69) | Preliminary Design | Improvements to bring US 59 up to interstate standards - proposed northbound and southbound frontage roads along US 59 between Shepherd and Cleveland |
| Nacogdoches County | US 259 Widening | Preliminary Design | Widen US 259 to provide a 16-foot continuous two-way left turn lane and 10-foot shoulders between the Rusk county line and south of SH 204 |
| Nacogdoches County | US 59/US 259 North Interchange (Future I-69) | Study | Improvements to bring US 59 up to interstate standards – reconstruct interchange and provide northbound and southbound frontage roads along US 59 from FM 343 to the just north of intersection of US 59 and US 259 in Nacogdoches |
| Nacogdoches County | SH 7 (Main Street) at Lanana Bridge Reconstruction | Preliminary Design | Proposing to replace the existing bridge on SH 7 (Main St) at La Nana Creek , which is adjacent to the La Nana Creek Trail and Master Gardeners Demonstration Garden, a City of Nacogdoches park |
| Polk County | US 59 Livingston Upgrade North and South (Future I-69) |
Study | TxDOT is proposing the US 59 Livingston Upgrade (future I-69) improvements in Polk County, Texas: improve US 59 from 0.39 miles south of FM 1988 to US 190, including an interchange at US 59/FM 1988 (CSJ: 0177-01-115); improve US 59 from US 190 to 1.90 miles south of SL 116, including an interchange at US 59/BUS 59 (CSJ: 0176-05-193); and improve US 190 from 0.10 miles west of FM 350 North to 0.10 miles east of Briar Way, including an interchange at US 190/US 59 (CSJs: 0213-03-110 & 0213-04-054). |
| San Jacinto County | US 59 Upgrade Shepherd to Trinity River (Future I-69) | Study | Improvements to bring US 59 up to interstate standards - proposed northbound and southbound frontage roads along US 59 between Shepherd and Trinity River |
| Various | I-69 Development | Study | Improvements to bring US 59 up to interstate standards within the Lufkin District |
| Angelina County | US 59 and FM 819 | On Hold | Proposed overpass to the intersection of US 59 and FM 819 in Lufkin |
| Nacogdoches County | Loop 224 (N. Stallings Drive) | On Hold | Widen to a four-lane roadway from US 59 to Business US 59 in Nacogdoches |