{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "This dataset contains the Roads and Highways Road Network Linear Referencing System (LRS) HPMS Off-Highway (OH) speed limits event polyline feature class which represents the posted speed limit values for Idaho\u2019s public roadway segments as reported through the Highway Performance Monitoring System (HPMS). The data supports traffic safety analysis, roadway design, performance monitoring, and transportation planning across Idaho.", "description": "

The Idaho Transportation Department's (ITD) Roads and Highways Road Network Linear Referencing System (LRS) HPMS Off-Highway (OH) speed limits event polyline feature class represents the legally posted regulatory speed limit for each roadway segment included in the HPMS inventory. This attribute indicates the maximum lawful vehicle speed under ideal driving conditions, as displayed on official roadside signs. <\/SPAN><\/P>

Speed limit values are expressed in miles per hour (mph) and reflect the prevailing posted speed along each segment. When different speed limits apply to different directions or vehicle classes, the value recorded represents the primary posted limit for passenger vehicles in the predominant direction of travel. <\/SPAN><\/P>

This dataset is used by engineers, planners, and safety analysts to evaluate roadway performance, design consistency, and risk exposure. It also supports federal reporting, crash rate normalization, and statewide transportation modeling. The speed limit data is maintained and updated annually as part of ITD\u2019s Highway Performance Monitoring System (HPMS) submittal to the Federal Highway Administration (FHWA). <\/SPAN><\/P>

These are current \"working\" records. For the static, published data, please see the records stored at: <\/SPAN>https://www.fhwa.dot.gov/policyinformation/hpms.cfm<\/SPAN><\/A><\/P><\/DIV><\/DIV><\/DIV>", "summary": "This dataset contains the Roads and Highways Road Network Linear Referencing System (LRS) HPMS Off-Highway (OH) speed limits event polyline feature class which represents the posted speed limit values for Idaho\u2019s public roadway segments as reported through the Highway Performance Monitoring System (HPMS). The data supports traffic safety analysis, roadway design, performance monitoring, and transportation planning across Idaho.", "title": "Roads and Highways - HPMS Off-Highway (OH) Speed Limits", "tags": [ "Transportation", "Roads and Highways", "Linear Referencing System", "LRS", "Road Network", "Highway Performance Monitoring System", "HPMS" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 20000000, "maxScale": 5000, "spatialReference": "", "accessInformation": "This dataset was developed and provided by the Idaho Transportation Department (ITD). Users should credit ITD as the original source when utilizing or referencing this information in maps, reports, or applications.", "licenseInfo": "

Spatial Data Disclaimer - The Idaho Transportation Department (ITD) provides this geographic data any any associated metadata \"as is\" without warranty of any kind, including but not limited to its completeness, fitness for a particular use, or accuracy of its content, positional or otherwise. It is the sole responsibility of the user to determine the usability of the data for their purposes. In no event shall ITD have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind arising out of the use of or reliance on the geographic data or metadata. In providing this data or access to it, ITD assumes no obligation to assist the user in the use of such data or in the development, use, or maintenance or any applications applied to or associated with the data or metadata.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "portalUrl": "" }