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You can also call 1-800-427-7623 for current highway conditions.
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The Office of Technology, in partnership with Caltrans Districts, programs, local agencies and others, provides leadership and support for the development, standardization, deployment, operation and maintenance of Transportation Management Systems (TMS) for the State of California. TMS includes, but is not limited to, advanced operational hardware, software, communications systems and infrastructure, for integrated Advanced Transportation Management Systems and Information Systems, and for Electronic Toll Collection System.
TEES Specifications black & white: