Main Gate
Open 24 hours a day, 7 days a week
650-926-2551
A photo ID is required to enter the SLAC main gate
Services provided at the main gate include:
- After Hours and Holiday Site Access: Officers log in every car or individual entering SLAC property from sunset to 6 a.m. Site Access is also recorded on all shifts during weekends and holidays.
- Directions and Maps: Directions and Maps are available 24 hours a day. Directions to SLAC from offsite are located on the Contact Us page.
- Emergency Assistance: In the event of an emergency or life threatening situation, call 911 or extension 5555 from any SLAC telephone (650-926-5555). Also notify your supervisor, the Duty Operator or SSRL Safety Officer.
- Telephone Services: The Main Gate Security Officers provide general telephone assistance with call transferring, offsite calling, and overseas calls. For specific SLAC telephone information, refer to the SLAC Telephone User's Guide.
- Visitors: Security Officers will provide visitors with SLAC personnel contact/directory (SLAC phone directory) assistance, and directions and maps. If SLAC contact cannot be reached, visitors will be asked to wait in the Visitor's parking lot until contact is made. If you are expecting a visitor and want to make their his/her experience as simple as possible, please contact the Main Gate security guards in advance to make prior arrangements for the visit.
Gate 17
Open Monday-Friday 6 am - 6 pm
650-926-2137
Main entrance to SSRL. After hours, weekends and holidays, pedestrian enter through the turnstile at either Gate 17 or Gate 16A. Cars enter through Gate 30 and Pep Ring Road. Satellite view | Aerial view detail
Sector 30 Gate
Open 24 hours a day, 7 days a week
650-926-2240
After hours, weekends and holidays the Gate 30 Officer will log in every car or individual entering the Accelerator Area.
Alpine Gate
Open Monday-Friday 6-10 am, 3-6 pm
650-926- 4016
A current SLAC ID badge is required for unescorted access through Gate 17, 30 or the Alpine Gate.
