Chain Control Field Short Description

Chain Control field descriptions
Field Number	Field Name	Description	Type	Nominal Value	Example Value	CSV	JSON	TXT	XML
						x = field used in these file formats
1	data	wrapper for chain control data set					x		x
1.1	cc	wrapper for chain control record					x		x
1.1.1	index	index number for chain control record	string	1 to 100 characters	9-MNO-395-69.9-S-D67	x	x	x	x
1.1.2	recordTimestamp	wrapper for this record's timestamp					x		x
1.1.2.1	recordDate	this record's creation date	date	yyyy-mm-dd	2013-10-15	x	x	x	x
1.1.2.2	recordTime	this record's creation time in PST or PDT	time	hh:mm:ss	10:15:02	x	x	x	x
1.1.3	location	wrapper for chain control location information					x		x
1.1.3.1	district	caltrans district id	int	1 to 12	9	x	x	x	x
1.1.3.2	locationName	chain control location description	string	0 to 100 characters	7 miles south of Bridgeport	x	x	x	x
1.1.3.3	nearbyPlace	nearby populated place based on zip code of chain control	string	0 to 100 characters	Bridgeport	x	x	x	x
1.1.3.4	longitude	wgs84 longitude	float	-180 to 180	-119.19486	x	x	x	x
1.1.3.5	latitude	wgs84 latitude	float	-90 to 90	38.17515	x	x	x	x
1.1.3.6	elevation	elevation in feet	int	-282 to 14494	6870	x	x	x	x
1.1.3.7	direction	direction of travel chain control is on	string	North / East / West / South	South	x	x	x	x
1.1.3.8	county	county name	string	See County Chart	Mono	x	x	x	x
1.1.3.9	route	route name	string	See Route Chart	US-395	x	x	x	x
1.1.3.10	routeSuffix	route suffix identifier	string	See Prefix Suffix Alignment Charts		x	x	x	x
1.1.3.11	postmilePrefix	postmile prefix identifier	string	See Prefix Suffix Alignment Charts		x	x	x	x
1.1.3.12	postmile	postmile number	float	0 to 999.99	69.84	x	x	x	x
1.1.3.13	alignment	alignment identifier	string	See Prefix Suffix Alignment Charts		x	x	x	x
1.1.3.14	milepost	absolute postmile number	float	0 to 999.99	303.41	x	x	x	x
1.1.4	inService	is chain control in service	string	true / false / Not Reported	true	x	x	x	x
1.1.5	statusData	wrapper for chain control status					x		x
1.1.5.1	statusTimestamp	wrapper for timestamp when chain control changed state					x		x
1.1.5.1.1	statusDate	date chain control changed state	union	yyyy-mm-dd / Not Reported	2013-04-17	x	x	x	x
1.1.5.1.2	statusTime	time chain control changed state in PST or PDT	union	hh:mm:ss / Not Reported	09:03:00	x	x	x	x
1.1.5.2	status	chain control status level	union	See Chain Control Status Chart	R-0	x	x	x	x
1.1.5.3	statusDescription	chain control status description	union	See Chain Control Status Chart	No chain controls are in effect at this time.	x	x	x	x

Chain Control Field Long Description

Field Name : data

Field Number : 1
Description : used as the wrapper for the chain control data set
Type : not applicable
Nominal Value : not applicable
Example Value : not applicable
Used in file formats : JSON, XML

Field Name : cc

Field Number : 1.1
Description : Wrapper for chain control record
Type : not applicable
Nominal Value : not applicable
Example Value : not applicable
Used in file formats : JSON, XML

Field Name : index

Field Number : 1.1.1
Description : Describes the index number for chain control record. Each index number is unique to the data set
Type : xs:string
Nominal Value : 1 to 100 characters
Example Value : 9-MNO-395-69.9-S-D67
Used in file formats : CSV, JSON, TXT, XML

Field Name : recordTimestamp

Field Number : 1.1.2
Description : Wrapper for this record's timestamp
Type : not applicable
Nominal Value : not applicable
Example Value : not applicable
Used in file formats : JSON, XML

Field Name : recordDate

Field Number : 1.1.2.1
Description : Describes the date when this record was last modified
Type : xs:date
Nominal Value : yyyy-mm-dd; where yyyy is the four-digit year value, mm is the two-digit month value and dd is the two-digit day value
Example Value : 2013-10-15
Used in file formats : CSV, JSON, TXT, XML

Field Name : recordTime

Field Number : 1.1.2.2
Description : Describes the time when this record was last modified. Value is in either Pacific Daylight Time (PDT) or Pacific Standard Time (PST)
Type : xs:time
Nominal Value : hh:mm:ss; where hh is the two-digit hour value, mm is the two-digit minute value and ss is the two-digit second value
Example Value : 10:15:02
Used in file formats : CSV, JSON, TXT, XML

Field Name : location

Field Number : 1.1.3
Description : Wrapper for chain control location information
Type : not applicable
Nominal Value : not applicable
Example Value : not applicable
Used in file formats : JSON, XML

Field Name : district

Field Number : 1.1.3.1
Description : Describes which Caltrans District the equipment is located in. See District map for more information
Type : xs:int
Nominal Value : 1 to 12
Example Value : 9
Used in file formats : CSV, JSON, TXT, XML

Field Name : locationName

Field Number : 1.1.3.2
Description : The operational description of where the chain control is located
Type : xs:string
Nominal Value : 0 to 100 characters
Example Value : 7 miles south of Bridgeport
Used in file formats : CSV, JSON, TXT, XML

Field Name : nearbyPlace

Field Number : 1.1.3.3
Description : The nearby populated place based on the zip code where the equipment is located in
Type : xs:string
Nominal Value : 0 to 100 characters. Some locations may not have a value for this field
Example Value : Bridgeport
Used in file formats : CSV, JSON, TXT, XML

Field Name : longitude

Field Number : 1.1.3.4
Description : The WGS84 longitude where the equipment is located at
Type : xs:float
Nominal Value : -180 to 180. Value is in decimal degrees
Example Value : -119.19486
Used in file formats : CSV, JSON, TXT, XML

Field Name : latitude

Field Number : 1.1.3.5
Description : The WGS84 latitude where the equipment is located at
Type : xs:float
Nominal Value : -90 to 90. Value is in decimal degrees
Example Value : 38.17515
Used in file formats : CSV, JSON, TXT, XML

Field Name : elevation

Field Number : 1.1.3.6
Description : The elevation where the equipment is located at. Based on the 90 meter digital elevation model
Type : xs:int
Nominal Value : -282 to 14494. Value is in feet
Example Value : 6870
Used in file formats : CSV, JSON, TXT, XML

Field Name : direction

Field Number : 1.1.3.7
Description : The direction of travel the chain control is facing
Type : xs:string
Nominal Value : North / East / West / South
Example Value : South
Used in file formats : CSV, JSON, TXT, XML

Field Name : county

Field Number : 1.1.3.8
Description : The county name where the equipment is located at
Type : xs:string
Nominal Value : See County Chart for more information
Example Value : Mono
Used in file formats : CSV, JSON, TXT, XML

Field Name : route

Field Number : 1.1.3.9
Description : The route name where the equipment is located at
Type : xs:string
Nominal Value : See Route Chart for more information
Example Value : US-395
Used in file formats : CSV, JSON, TXT, XML

Field Name : routeSuffix

Field Number : 1.1.3.10
Description : The route suffix identifier used internally within Caltrans
Type : xs:string
Nominal Value : See Route Suffix Chart for more information. Some locations may not have a value for this field
Example Value :
Used in file formats : CSV, JSON, TXT, XML

Field Name : postmilePrefix

Field Number : 1.1.3.11
Description : The postmile prefix identifier used internally within Caltrans
Type : xs:string
Nominal Value : See Postmile Prefix Chart for more information. Some locations may not have a value for this field
Example Value :
Used in file formats : CSV, JSON, TXT, XML

Field Name : postmile

Field Number : 1.1.3.12
Description : The postmile where the equipment is located at. The postmile value starts at 0 at the southern / eastern border of a county and increases as the route moves north / west
Type : xs:float
Nominal Value : 0 to 999.99
Example Value : 69.84
Used in file formats : CSV, JSON, TXT, XML

Field Name : alignment

Field Number : 1.1.3.13
Description : The alignment identifier used internally within Caltrans
Type : xs:string
Nominal Value : See Alignment Chart for more information. Some locations may not have a value for this field
Example Value :
Used in file formats : CSV, JSON, TXT, XML

Field Name : milepost

Field Number : 1.1.3.14
Description : The milepost where the equipment is located at. The milepost value starts at 0 at the southern / eastern border tip of the route and increases as the route moves north / west. Milepost is analogous to the odometer reading of the route
Type : xs:float
Nominal Value : 0 to 999.99
Example Value : 303.41
Used in file formats : CSV, JSON, TXT, XML

Field Name : inService

Field Number : 1.1.4
Description : Is the equipment in service
Type : xs:string
Nominal Value : true / false / Not Reported
Example Value : true
Used in file formats : CSV, JSON, TXT, XML

Field Name : statusData

Field Number : 1.1.5
Description : Wrapper for chain control status
Type : not applicable
Nominal Value : not applicable
Example Value : not applicable
Used in file formats : JSON, XML

Field Name : statusTimestamp

Field Number : 1.1.5.1
Description : Wrapper for timestamp when chain control changed state
Type : not applicable
Nominal Value : not applicable
Example Value : not applicable
Used in file formats : JSON, XML

Field Name : statusDate

Field Number : 1.1.5.1.1
Description : Describes the date when the chain control was last modified
Type : xs:union - uses xs:date and notReported
Nominal Value : yyyy-mm-dd; where yyyy is the four-digit year value, mm is the two-digit month value and dd is the two-digit day value. The value "Not Reported" is used when the feed for the chain control is down.
Example Value : 2013-04-17
Used in file formats : CSV, JSON, TXT, XML

Field Name : statusTime

Field Number : 1.1.5.1.2
Description : Describes the time when the chain control was last modified. Value is in either Pacific Daylight Time (PDT) or Pacific Standard Time (PST). The value "Not Reported" is used when the feed for the chain control is down.
Type : xs:union - xs:time and notReported
Nominal Value : hh:mm:ss; where hh is the two-digit hour value, mm is the two-digit minute value and ss is the two-digit second value
Example Value : 09:03:00
Used in file formats : CSV, JSON, TXT, XML

Field Name : status

Field Number : 1.1.5.2
Description : Describes the type of chain control currently in effect at this time
Type : xs:union - uses xs:string and notReported
Nominal Value : See Chain Control Status Chart for more information. The value "Not Reported" is used when the feed for the chain control is down.
Example Value : R-0
Used in file formats : CSV, JSON, TXT, XML

Field Name : statusDescription

Field Number : 1.1.5.3
Description : Describes the chain control in effect
Type : xs:union - uses xs:string and notReported
Nominal Value : See Chain Control Status Chart for more information. The value "Not Reported" is used when the feed for the chain control is down.
Example Value : No chain controls are in effect at this time.
Used in file formats : CSV, JSON, TXT, XML