710 Tunnel Technical Study Information

The links below will open a PDF document.

To view Volumes 2 through 5 (Appendices A-F), please visit the SR-710 Tunnel Technical Study Office located at:

3412 North Eastern Ave. Los Angeles, CA 90032 Monday through Friday between 8 AM and 5 PM (excluding holidays). 

The Draft Geotechnical Summary Report will also be available on DVD format for the public to view at the following public libraries within the Study area: Public Libraries List

Volume 1. Main Report

Title, Table of Contents, Acknowledgements, Acronyms and Abbreviations, Glossary of Terms (488 KB)

Executive Summary (104 KB)

1 Introduction (1 MB)

2 Data Collection and Review (76 KB)

3 Field Investigation (308 KB)

4 Regional Geology, Faulting, and Seismicity (1.7 MB)

5 Groundwater Evaluation (268 KB)

6 Hazardous Materials (2.4 MB)

7 Site Conditions for Zone 1 (164 KB)

8 Site Conditions for Zone 2 (212 KB)

9 Site Conditions for Zone 3 (148 KB)

10 Site Conditions for Zone 4 (148 KB)

11 Site Conditions for Zone 5 (148 KB)

12 Previous Tunneling Experience (1.5 MB)

13 Comparison of Zones (88 KB)

14 Summary and Conclusions (64 KB)

15 Limitations (56KB)

16 References

Plate 1 Geotechnical Map Zones 1, 2 and 3 (2.4 MB)

Plate 2 Geotechnical Map Zones 4 and 5 (2 MB)

Plate 3 Surface Wave Testing Location Map Zones 1, 2 and 3 (4.3 MB)

Plate 4 Surface Wave Testing Location Map Zones 4 and 5 (3.8 MB)

Plate 5 Representative Geologic Profile and Geotechnical Map for Zone 1 (864 KB)

Plate 6 Representative Geologic Profile and Geotechnical Map for Zone 2 (768 KB)

Plate 7 Representative Geologic Profile and Geotechnical Map for Zone 3 (796 KB)

Plate 8 Representative Geologic Profile and Geotechnical Map for Zone 4 (736 KB)

Plate 9 Representative Geologic Profile and Geotechnical Map for Zone 5 (940 KB)

Plate 10 Representative Geologic Profile Comparison (628 KB)