Welcome to the National Transportation Operations Coalition (NTOC) home page. NTOC’s mission is to improve management and operation of the nation's existing transportation system so that its performance will exceed customer expectations. NTOC is a national resource to practitioners, coalition members and the general public on continuously improving performance-based service delivery of transportation system management and operations and its supporting technologies.

Traffic Signal Assessment

• 2007 Traffic Signal Self Assessment
• 2007 National Traffic Signal Report Card
• More information