Phase 1 overview:

Construction Progress is subject to changes due to weather and schedule. New or updated items are indicated in bold.
October 2026 – December 2026
- Mansfield Tunnels
- Walnut Creek Drive: Daily Apr 6-Oct 29 Tunneling & install casing.
- Broad Street: Daily Oct 12 – Nov 13 Tunneling & install casing.
- Daily Nov 16- Nov 25 Install new Steel Pipe within the casing.
- Between Hobby Lobby parking lot and 287 access road: Daily Oct 26 – Nov 20 Tunneling & install casing.
- Daily Nov 27- Dec 3 Install new Steel Pipe within the casing.
- US287: Daily Dec 14- Jan 11 Install new Steel Pipe within existing US287 casing.
- Walnut Creek: Daily Nov 2 – Dec 4 Tunneling & install casing.
- UPRR Tunnel Mansfield
- Daily Sept 21 – Nov 23: Removal of concrete pipe within existing UPRR casing.
- Daily Nov 23 – Dec 15: Install new Steel Pipe within existing UPRR casing.
- Surface and stream restoration Mouser Way to Walnut Ridge Drive.
December 2026 – March 2027
- Surface and stream restoration Mouser Way to Walnut Ridge Drive.
- Demo and removal of existing pipe between Walnut Ridge Drive and Hwy 667.
- Install new Steel Pipe starting east of Walnut Ridge Dr proceeding east to FM661/Lakeview Dr.
- Tunnels
- FM661/Lakeview: Daily Feb 12- Mar 25 Tunneling & install casing.

