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crossing permission (Architecture Flow*)

Signal to pedestrians indicating permission to cross roadway.

Roadway Pedestrians

This Architecture Flow is in the following Service Packages:

• Traffic Signal Control
• Standard Railroad Grade Crossing
• Advanced Railroad Grade Crossing
• Mixed Use Warning Systems

This Architecture Flow is in the following Equipment Packages:

• Advanced Rail Crossing
• Roadway Mixed Use Sensing
• Roadway Signal Controls
• Standard Rail Crossing

Data Flows*:

• tp-dms_indication
• tp-cross_road
• tp-cross_request_received

Security Considerations:

• Not Applicable