Section 3

Traffic Management Data Dictionary

Section 3 Data Elements

Version: 1.4 February 5, 1999

Annex 3 - Traffic Detectors

Descriptive Name:

DETECTOR_Class_code

Descriptive Name Context:

Manage Traffic

Definition:

User-defined class of detectors for traffic control.

Class Name:

Traffic Detectors

Classification Scheme Name:

IEEE P1489, Annex B

Classification Scheme Version:

19980706, V0.1.0

Keywords:

Detector Class

Related Data Concept:

Relationship Type:

ASN1 Name:

Detector-class

ASN1 Data Type:

Bitstring

Representation Class Term:

Code

Value Domain:

Numeric code

Valid Value Range:

Valid Value List:

Valid Value Rule:

0=Other, no additional information required; 1=Other, additional information required;

2=Stop bar; 3=System; 4=Pedestrian; 5=Adaptive; 6=Call; 7=Extension; 8=Mainline;

9=Reversible lane; 10=Ramp demand; 11=Ramp merge; 12=Ramp passage; 13=Ramp

queue .

Internal Representation Layout:

Internal Layout Maximum Size:

Internal Layout Minimum Size:

Remarks:

V1.1 - Changed Descriptive Name from DETECTOR_ClassName_text256 to

DETECTOR_Class_code. Changed Definition.

V1.2 - Revised Valid Value List and Internal Layout Max/Min Size.

V1.3 - Revised Valid Value List to include all types of freeway and arterial detectors.

Also revised Definition.

V1.4 - Changed Data Type to Bitstring.

Data Concept Identifier:

3500

Data Concept Version:

V1.5

Submitter Organization Name:

TMDD

Last Change Date:

19990205

3500

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