Traffic Control Cabinet Locks
Engineered for Caltrans, DOT, and ITS Applications
Our complete line of traffic control cabinet locks provides reliable security for NEMA enclosures in harsh outdoor environments. Every lock is engineered for precision fit, durability, and compatibility with legacy CCL and Best systems, ensuring seamless retrofits without modifications.
Compatible with CCL and Best Interchangeable Core Formats
CCL (Corbin) Locks
Industry-standard CR (#2) and GR (#401) keyway systems used across Caltrans and DOT installations.
- Direct CCL A55481 replacement
- Disc/wafer mechanism
- Master key capable
SFIC Locks
Small Format Interchangeable Core technology for maximum key management flexibility.
- Best, Falcon, KSP compatible
- Easy core changes
- Complex master key systems
Warded Locks
Simple, durable warded mechanism locks for police and fire call boxes.
- CCL R557SGS replacement
- Weather resistant
- Low maintenance
Compare CR, GR, and SFIC Mechanisms
Choose the right lock mechanism for your application based on security requirements, key management needs, and system compatibility.
| Feature | E5 Series (CR/GR) | 725 Series (SFIC) | P3L (Warded) |
|---|---|---|---|
| Mechanism Type | Disc/Wafer | Interchangeable Core | Warded |
| Security Level | Medium-High | High | Basic |
| Master Keying | Yes | Yes (Advanced) | No |
| Rekeying | Replace cylinder | Swap core (seconds) | Not available |
| Best For | Traffic cabinets | High-security, multi-site | Call boxes, alarms |
| Replaces | CCL A55481, 55481 | Best 5L7RD-SL | CCL R557SGS |
Browse by Product Line
E5 Series - CR & GR Keyway
725 Series - SFIC Locks
P3L Series - Call Box Locks
Need Help Finding the Right Lock?
Our locks are used in Caltrans traffic signal cabinets, DOT ITS enclosures, and emergency call boxes across the country. If you need help identifying the right replacement or have questions about compatibility, we're here to help.