Multimodal Crossing Equipment

Overview
Triples
Security
Interfaces Diagram
Standards

Overview

'Multimodal Crossing Equipment' represents the control equipment that interfaces to a non-road based transportation system at an interference crossing with the roadway. The majority of these crossings are railroad grade crossings that are more specifically addressed by the "Wayside Equipment" terminator. This multimodal crossing terminator addresses similar interface requirements, but for other specialized intersections like draw bridges at rivers and canals. These crossings carry traffic that may take priority over the road traffic at the intersection. The data provided will in its basic form be a simple "stop road traffic" indication. However more complex data flows may be provided that give the time at which right-of-way will be required and the duration of that right-of-way requirement.

This physical object does not have any functionality defined in ARC-IT, as it exists outside the system functional boundary.

This physical object is included in the following Service Packages:

Triples

Source	Flow	Destination
ITS Roadway Equipment	highway control status	Multimodal Crossing Equipment
Multimodal Crossing Equipment	multimodal crossing status	ITS Roadway Equipment
Multimodal Crossing Equipment	lane management inputs	Traffic Management Center
Multimodal Crossing Equipment	multimodal crossing status	Traffic Management Center
Traffic Management Center	multimodal crossing inhibit	Multimodal Crossing Equipment

Security

This physical object has the following security levels for the associated service packages.

Physical Object Security
Security Class	Confidentiality	Integrity	Availability	Service Package
Class 2	Moderate	Moderate	Moderate	Drawbridge Management
Class 1	Low	Moderate	Low	Dynamic Lane Management and Shoulder Use

Interfaces Diagram

Standards

Currently, there are no standards associated with the physical object itself though the interfaces may have standards associated with them. For standards related to interfaces, see the specific information flow triple pages.