* All traffic impacts are weather dependent
| Baytown - SH 99 U-turn at FM1405 | Ongoing (24 Hrs) | The U-turns from westbound and eastbound SH 99 east of FM 1405 will be closed. |
| Baytown - SH 99 at 146B U-turn | Ongoing (24 Hours) | The U-turn from westbound SH 99 to eastbound SH 99 at Junction 146B will be closed. |
| Baytown - SH 99 near Tri Cities | Dec 23, 2019 & Jan 2 - 5, 2020 (7:00 AM - 5:00 PM) | Single left lane on SH-99 eastbound between Cedar Bayou and Tri Cities. |
| Baytown - IH-10 WB at SH 99 | Dec 23, 2019 & Jan 2 - 5, 2020 (7:00 AM - 7:00 PM) | Single right lane closure on IH-10 westbound frontage Road before the SH 99 intersection. There will also be a single right lane closure on SH 99 northbound frontage road. |
| Baytown - SH 99 at IH-10 | Dec 23, 2019 & Jan 2 - 5, 2020 (7:00 AM - 7:00 PM) | Left lane closures on SH 99 northbound and southbound near IH-10. |
| Baytown - Cedar Bayou to West Bay Rd | Jan 2 - 5, 2020 (7:30 AM - 5:00 PM) | The right lane of eastbound SH 99 from Cedar Bayou to West Bay Rd. will be closed. |
| Baytown - FM 565 | Jan 2 - 5, 2020 (7:00 AM - 3:00 PM) | Flagging operation on FM 565 near Mont Belvieu City Hall and Police Department. |
| Baytown - FM 1405 | Dec 22 - 23, 2019 & Jan 2 - 5, 2020 (24 Hours) | Single left lane and right lane northbound and southbound of FM 1405 will be closed. |
| Baytown - IH-10 Frontage Rd | Dec 23, 2019 & Jan 2 - 5, 2020 (7:00 AM - 7:00 PM) | Lane impacts on IH-10 eastbound frontage road at SH 99 intersection |
| Baytown - EB SH 99 Frontage Rd | Ongoing (24 Hours) | The U-turn from the eastbound SH 99 frontage road between FM 1405 and Fisher Rd. will be closed. |
| Baytown - FM 1405 at SH 99 | Jan 4 - 5, 2020 (8:00 AM - 7:00 PM) | FM 1405 between SH 99 eastbound and westbound lanes will be closed to through traffic. |
| Baytown - SH 99 at Fisher Rd | Jan 2 - 5, 2020 (7:00 AM - 7:00 PM) | The left lanes of eastbound and westbound SH 99 east and west of Fisher Rd. will be closed. |
| Baytown - Koppel Rd | Start: December 10, 2018 (8:00 AM) End: September 16, 2019 | Koppel Rd full closure. |
| Baytown - SH 99 @ FM1405 | End: Ongoing | EB and WB U-turns are closed at SH 99 @ FM1405 in Baytown. |
| Dayton - FM 1413 | Dec 7 - 23, 2019 & Jan 2 - 5, 2020 (7:00 AM - 5:00 PM) | Flagging operations on FM 1413 from Cox Rd. 491 to SH 146. |
| Dayton - FM 1413 | Dec 7 - 23, 2019 & Jan 2 - 5, 2020 (6:00 PM - 5:00 AM) | Flagging operations on FM 1413 between 146 and Cox 491. |
| Dayton - FM 686 | Dec 9 - 23, 2019 (7:00 AM - 5:00 PM) | Flagging operation on FM 686 between CR 621 and CR 622. |
| New Caney - SH 99 EB | Jan 2 - 4, 2020 (8:00 AM - 5:30 PM) | The left lane & U-turn from eastbound to westbound SH 99 at Valley Ranch Blvd. will be closed. |
| New Caney - Loop 494 | Jan 2 - 4, 2020 (7:30 AM - 5:00 PM) | The right turn lane of southbound Loop 494 from Eagle Dr. to Community Dr. will be closed. |
| New Caney - Valley Ranch EB U-turn | Ongoing (24 Hours) | The U-turn from eastbound to westbound SH 99 at Valley Ranch Pkwy will be closed. |
| New Caney - FM 1485 | Jan 2 - 4, 2020 (8:30 AM - 4:00 PM) | Intermittent stopping on FM 1485 near Redbud Rd. to allow for construction vehicles to cross FM 1485 safely. |
| New Caney - Valley Ranch Blvd | Jan 2 - 4, 2020 (8:00 AM - 7:00 PM) | Intermittent closures of Valley Ranch Blvd. between SH-99 eastbound and westbound frontage roads. |
| New Caney - US 59SB at Porter Conroe | Ongoing (24 Hours) | US 59 southbound Porter/Conroe exit ramp closed. |
| New Caney - US 59NB Connection | Aug 23 - Completion (Approx. 6 months) | The existing connection to the northbound US 59 frontage road from Community Dr. will be closed, weather permitting. A new connection to the northbound US 59 frontage road will be in place south of the SH 99 intersection. Traffic will be redirected south to u-turn at FM 1314. |
| New Caney - SH99 near Valley Ranch | End: Ongoing | Lane closure on the west side of US 99 Grand Parkway near Valley Ranch Pkwy. |
| New Caney - Valley Ranch Parkway | Dec 16 - 17 & Dec 20 - 21, 2019 (24 Hours) | Left lane on Valley Ranch Parkway to Valley Ranch Blvd closed |