Phase 1 overview:

Construction Progress is subject to changes due to weather and schedule. New or updated items are indicated in bold.
August – December
- Mansfield Tunnels
- Walnut Creek Drive: Daily Apr 6-Sept 18 Tunneling & install Casing.
- Broad Street: Daily Sept 21 – Oct 23 Tunneling & install Casing.
- Between Hobby Lobby parking lot and 287 access road: Daily Oct 26 – Nov 20 Tunneling & install Casing.
- US287: Daily Aug 17 – Nov 22 Removal of concrete pipe within existing US287 casing.
- US287: Daily Nov 23 – Dec 18 Install new Steel Pipe within existing US287 casing.
- Walnut Creek: Daily Aug 17 – Sept 21 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.

