Guardrail
Category	Transportation - Assets
Feature Dataset Name	STAND-ALONE
Item Name	GUARDRAIL_PDX
Database Type	SDE
Originator	City of Portland
Bureau	Bureau of Transportation
Publication Date
Abstract	Lines representing protective guardrails in Portland. The types of guardrails include concrete barriers, post cables, flex beams, and rock barriers. The attribute information includes asset ownership, maintenance information, and details about the type of barriers and hazard that they are guarding against.
Purpose	For mapping and analysis of guardrails in Portland.
Supplemental Information
Last Dataset Update	08/15/2022 16:33
Last Source Update	08/15/2022 05:01
Maintenance/Update Frequency	As needed
Extent	Clackamas County, Multnomah County, and Washington County, Oregon
Data Type	Vector
Shape Type	Poly Line
Feature Count	1168
Horizontal Position Accuracy
Horizontal Position Accuracy Link	Taxlots
Progress	Complete
North Bounding Coordinate	727241.169051304
South Bounding Coordinate	653339.569523543
East Bounding Coordinate	7694664.43499754
West Bounding Coordinate	7596257.88904972
Theme Keyword(s)	transportation,guardrail, barriers
Theme Keyword Thesaurus	None
Place Keyword(s)	Portland, Multnomah County, Washington County, Clackamas County, Oregon
Place Keyword Thesaurus	None
Access Constraints	Available for Public Use
Use Constraints	These data are distributed under the terms of the City of Portland Data Distribution Policy. Care was taken in the creation of this data but it is provided "as is". The City of Portland cannot accept any responsibility for errors, omissions, or positional accuracy.
Source Dataset Type	Enterprise Geodatabase
Output Geodatabase	ASSETS_PDOT
Distribution	Grid: State plane coordinate system 1983(91). Units: International feet Datum: North American Datum of 1983/1991 (HPGN) Liability: The information in this file was derived from digital databases on the City of Portland GIS. Care was taken in the creation of this file. The City cannot accept any responsibility for errors, omissions, or positional accuracy. There are no warranties, expressed or implied. Format: Shapefile or File Geodatabase Feature Class - Data will be provided via City of Portland FTP Site. Online Resource: http://portlandmaps.com/opendata Online Instructions: City of Portland Public/Open Data is distributed via the PortlandMaps Open Data Site - http://portlandmaps.com/opendata. Data not available on the PortlandMaps Open Data site can be requested by contacting the City of Portland CGIS Group - maps@portlandoregon.gov Transfer Size: varies SPCS Zone Identifier: 5076
Contact(s) Add
PBOT GIS Support 503-823-5185 PBOTGISSupport@portlandoregon.gov 1120 SW Fifth Ave., Suite 1331 Portland, OR 97204 City of Portland - PBOT 503-823-5185 PBOTFrontDesk@portlandoregon.gov
File(s) Add Add File File Description Cancel Add File
Images	52783.png 259.71Kb X
Lineage Add

Web Services

Service	Description	Feature Access	Layer
PBOT_DefaultLayers	This service includes an array of asset, permitting, planning and project data to serve as a general reference for PBOT staff working remotely.	Dynamic	Guardrail

Attribute Tables & Domains

X guardrail_pdx
Table Description
Table Jurisdiction
Column Sort	Column Name	Column Alias	Column Type	Column Size	Domain Value(s)	Column Description Add
1	AssetID	AssetID	String	15	Add	X Unique asset identifier.
1	GuardRailType	GuardRailType	Integer	4	Add 4710 Concrete barrier X 4711 Guardrail X 4712 Rock barrier X 4713 Post cable X 4714 Other X	X The subtype field describes broad categories of roadside barriers including guardrail, concrete, rock and post and cable designs.
1	LocationID	LocationID	String	15	Add	X Location in PBOT's location hierarchysystem.
1	ImagePath	ImagePath	String	255	Add	X Link to related diagram or photo, not typically used for guardrail.
1	TotalLength	TotalLength	Numeric	8	Add	X Field measurement of the length of the barrier, in feet.
1	SectionLength	SectionLength	Numeric	8	Add	X Length of a typical section of the barrier, in feet.
1	Owner	Owner	String	15	Add	X Owner of the asset. PdxTrans means the asset is owned by PBOT.
1	MaintResp	MaintResp	String	15	Add	X Maintainer of the asset. PdxTrans means that PBOT is responsible for maintaining the asset.
1	DistAlongSt	DistAlongSt	Integer	4	Add	X Distance from the curb face or edge of pavement/roadway of the nearest cross street to the beginning of the roadside barrier, in feet. Not typically populated.
1	MeasureDir	MeasureDir	String	1	Add	X Direction of the DistAlongSt measure. Not typically populated.
1	MeasureFrom	MeasureFrom	String	50	Add	X Description of the starting point for the DistAlongSt measure. Not typically populated.
1	DistFromEdge	DistFromEdge	Integer	4	Add	X Narrowest distance from edge of traveled way to the face of the barrier. Edge of traveled way is defined as edge of vehicle travel lane (i.e. curb face, edge line, bike lane line, or edge of pavement if no line). If for any portion of the run, the face of the rail is over the curb, 0 is recorded as the distance value.
1	MinRailHeight	MinRailHeight	Integer	2	Add	X If the rail is behind the curb, the lowest height (in inches) from the surface on which the rail is mounted is measured. If the face of the rail is over the curb, the height from the surface of the roadway is measured. If the rail height is uniform, the same value for both minimum and maximum height is entered.
1	MaxRailHeight	MaxRailHeight	Integer	2	Add	X The highest height (in inches) from the surface on which the rail is mounted to the top of the rail is measured. If the rail height is uniform, the same value is entered for both minimum and maximum height.
1	SectionsStraight	SectionsStraight	Integer	2	Add	X The number of straight sections. Concrete barrier sections should berecorded as “straight.”
1	SectionsConcave	SectionsConcave	Integer	2	Add	X The number of concave sections (bends away from traffic).
1	SectionsConvex	SectionsConvex	Integer	2	Add	X The number of convex sections (bends towards traffic).
1	PostsTimber6x8	PostsTimber6x8	Integer	2	Add	X Count of 6x8 timber posts.
1	PostsTimber8x8	PostsTimber8x8	Integer	2	Add	X Count of 8x8 timber posts.
1	PostsIBeam	PostsIBeam	Integer	2	Add	X Count of steel I-beam posts.
1	PostsWideFlange	PostsWideFlange	Integer	2	Add	X Count of wide flange posts.
1	PostsConcrete8D	PostsConcrete8D	Integer	2	Add	X Count of 8" diameter concrete posts.
1	PostsConcrete8x8	PostsConcrete8x8	Integer	2	Add	X Count of 8"x8" concrete posts.
1	PostsOther	PostsOther	Integer	2	Add	X Count of other post.
1	HazardDist	HazardDist	Integer	2	Add	X Approximate distance to the nearest hazard, in feet.
1	HazardDesc	HazardDesc	String	100	Add	X Text description of the hazard.
1	LastInspDate	LastInspDate	Date	36	Add	X Date of the last inspection.
1	FlaredAway	FlaredAway	String	1	Add N No X U Unknown X Y Yes X	X Indicates whether the near end of the barrier, given the direction of travel, flares away from the roadway.
1	RailType	RailType	String	8	Add BANDRAIL Band rail X BOXBEAM Box beam X CABLE Cable X CHAINLINK Chain link X JERSEY Jersey barrier X NONE None X PARAPET Parapet X ROCKWALL Rock wall X SCOLLINS Steel collins X THRIEBM Thrie beam X TEXAS Texas barrier X UNKNOWN Unknown X WBEAM W beam X WBEAMT31 W beam T31 X WBFLAIR W beam with flared edge X WOOD Wood X	X Roadside barrier design.
1	Reflectors	Reflectors	String	1	Add N No X U Unknown X Y Yes X	X Indicates if reflectors are present.
1	NearEndTreatment	NearEndTreatment	String	8	Add ABSORB Energy Absorbing - Other X ATTACHED Attached to Structure - Other X BCT BCT X BURIED Buried in Ground X ENDSHOE End Shoe X ENDWING Endwing X ET2000 ET-2000 X ET2000+ ET-2000 Plus X FLEAT350 FLEAT 350 X NONE None X OREGON Oregon alternate X SKT350 SKT 350 X SRT350 SRT 350 X UNKNOWN Unknown X 3/4WRAP 3/4 Wrap X	X Identifies the end-treatment on the leading end of the barrier in the direction of adjacent traffic.
1	FarEndTreatment	FarEndTreatment	String	8	Add ABSORB Energy Absorbing - Other X ATTACHED Attached to Structure - Other X BCT BCT X BURIED Buried in Ground X ENDSHOE End Shoe X ENDWING Endwing X ET2000 ET-2000 X ET2000+ ET-2000 Plus X FLEAT350 FLEAT 350 X NONE None X OREGON Oregon Alternate X SKT350 SKT 350 X SRT350 SRT 350 X UNKNOWN Unknown X 3/4WRAP 3/4 Wrap X	X Identifies the end-treatment on the trailing end of the barrier in the direction of adjacent traffic.
1	Blockouts	Blockouts	String	1	Add N No X U Unknown X Y Yes X	X Indicates if blockouts are present.
1	PostsSpacing	PostsSpacing	String	15	Add UNKNOWN Unknown X 12FTCENT 12ft center X 3FTCENT 3ft center X 6FTCENT 6ft center X	X Standard post spacing is 3’, 6’ or 12’ measured center to center. Guardrail has slots for bolts at these intervals. If holes have been drilled into rail at different intervals that could indicate non-standard spacing.
1	HazardType	HazardType	String	8	Add DITCH Ditch X NONE No other hazard X ROCK Rock X STRUCT Structure X TREES Trees X UTILITY Utility X WATER Water X	X Hazard present behind the barrier, if there is a hazard other than slope.
1	Slope	Slope	String	8	Add FLAT Flat X MODDOWN Moderate - down X MODUP Moderate - up X STPDOWN Steep - down X STPUP Steep - up X	X Slope of the terrain behind the barrier.