Link Type: Center to Center

Traffic Management Center --> Surface Transportation Weather Service:
environmental conditions data

Definitions

environmental conditions data (Information Flow): Current road conditions (e.g., surface temperature, subsurface temperature, moisture, icing, treatment status) and surface weather conditions (e.g., air temperature, wind speed, precipitation, visibility) as measured and reported by fixed and/or mobile environmental sensors and aggregated by the data collector. Attributes relating to the data collection (and aggregation) are also included.

Traffic Management Center (Source Physical Object): The 'Traffic Management Center' monitors and controls traffic and the road network. It represents centers that manage a broad range of transportation facilities including freeway systems, rural and suburban highway systems, and urban and suburban traffic control systems. It communicates with ITS Roadway Equipment and Connected Vehicle Roadside Equipment (RSE) to monitor and manage traffic flow and monitor the condition of the roadway, surrounding environmental conditions, and field equipment status. It manages traffic and transportation resources to support allied agencies in responding to, and recovering from, incidents ranging from minor traffic incidents through major disasters.

Surface Transportation Weather Service (Destination Physical Object): The 'Surface Transportation Weather Service' represents the providers of value-added sector-specific meteorological services. These providers utilize National Weather Service data and predictions, road condition information and local environmental data provided by traffic management or maintenance organizations, and their own models to provide surface transportation related weather observations and forecasts including pavement temperature and conditions.

Included In

This Triple is in the following Service Packages:

This Triple is in the following Functional Objects:

This Triple is described by the following Functional View Data Flows:

This Triple has the following triple relationships:

Communication Solutions

Solutions are sorted in ascending Gap Severity order. The Gap Severity is the parenthetical number at the end of the solution.

Selected Solution

US: TMDD - NTCIP Messaging

Solution Description

This solution is used within the U.S.. It combines standards associated with US: TMDD with those for C-C: NTCIP Messaging. The US: TMDD standards include upper-layer standards required to implement center-to-center communications with traffic management systems. The C-C: NTCIP Messaging standards include lower-layer standards that support partially secure communications between two centers as commonly used in the US.

ITS Application Entity
Mind the gapMind the gap

ITE TMDD Vol 2
Click gap icons for more info.

Mgmt

Bundle: SNMPv3 MIB
W3C WSDL 1.1
Facilities
Mind the gapMind the gap

ITE TMDD Vol 2
NTCIP 2306
Security
Mind the gapMind the gapMind the gap
TransNet

IETF RFC 793
IP Alternatives
Access

Internet Subnet Alternatives
TransNet TransNet

TempBCL2 TempSTDL2

TempBCL3 TempSTDL3

TempBCL4 TempSTDL4

TempBCL5 TempSTDL5

Access Access

TempBCL2 TempSTDL2

TempBCL3 TempSTDL3

TempBCL4 TempSTDL4

TempBCL5 TempSTDL5

ITS Application ITS Application

TempBCL2 TempSTDL2

TempBCL3 TempSTDL3

TempBCL4 TempSTDL4

TempBCL5 TempSTDL5

Mgmt Mgmt

TempBCL2 TempSTDL2

TempBCL3 TempSTDL3

TempBCL4 TempSTDL4

TempBCL5 TempSTDL5

Facility Facility

TempBCL2 TempSTDL2

TempBCL3 TempSTDL3

TempBCL4 TempSTDL4

TempBCL5 TempSTDL5

Security Security

TempBCL2 TempSTDL2

TempBCL3 TempSTDL3

TempBCL4 TempSTDL4

TempBCL5 TempSTDL5

Note that some layers might have alternatives, in which case all of the gap icons associated with every alternative may be shown on the diagram, but the solution severity calculations (and resulting ordering of solutions) includes only the issues associated with the default (i.e., best, least severe) alternative.

Characteristics

Characteristic Value
Time Context Recent
Spatial Context Regional
Acknowledgement True
Cardinality Unicast
Initiator Destination
Authenticable True
Encrypt False


Interoperability Description
Regional Interoperability throughout the geopolitical region is highly desirable, but if implemented differently in different transportation management jurisdictions, significant benefits will still accrue in each jurisdiction. Regardless, this Information Flow Triple should be implemented consistently within a transportation jurisdiction (i.e., the scope of a regional architecture).

Security

Information Flow Security
  Confidentiality Integrity Availability
Rating Low Moderate Low
Basis Little to no impact if this data is observed This data should be correct, as it may be used to establish safe speeds and determine road treatments. There should be other mechanisms for determining this data; in areas and times of severe weather this might be MODERATE.


Security Characteristics Value
Authenticable True
Encrypt False