Purple Line Extension – Phase 1
Sector: Tunnel • Location: Los Angeles, California, United States
Source: Tunnel Business Magazine
This project involves the construction of 17,900 ft of twin-bore tunnel for the Purple Line Extension in Los Angeles, with a total contract value of approximately $1.37 billion. The project is currently 15% complete and is expected to utilize two Herrenknecht EPBMs for tunneling.
- Status
- Under Construction
- Sector
- Tunnel, Mass Transit, Rail, Government
- Location
- Los Angeles, California, United States of America
- Updated
- 22 Jul 2026
- Source
- Tunnel Business Magazine
ConstructChat
Ask ConstructChat about Purple Line Extension – Phase 1
Pick a question to edit it, or write your own.
First answer free · no account
Project Information FAQ
Project Information
Participants
Sponsoring Agency | |
Company |
Status
Original status | Under Construction |
Taiyo status | Under Construction |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | This project involves the construction of 17,900 ft of twin-bore tunnel for the Purple Line Extension in Los Angeles, with a total contract value of approximately $1.37 billion. The project is currently 15% complete and is expected to utilize two Herrenknecht EPBMs for tunneling. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | California |
City | Los Angeles |
Source
Source | Tunnel Business Magazine |
URL |
More Details
Record type | Project |
Sector | Tunnel, Mass Transit, Rail, Government |
Article published date | 2025-03-20 |
Research
Free account
View all details
You are reading the public part. A free account opens the rest:
- Every detail on this project
- News and media coverage
- Technical research
Free account · no card · lands you back on this project