Name: Noise Barriers

Display Field: FPN_NO

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description: This dataset contains the Florida Department of Transportation's (FDOT) Noise Abatement Barriers. Noise barriers are solid obstructions built between the highway and the homes along a highway. They do not completely block all noise they only reduce overall noise levels. Effective noise barriers typically reduce noise levels by 5 to 10 decibels (dB), cutting the loudness of traffic noise by as much as one half. For example, a barrier which achieves a 10-dB reduction can reduce the sound level of a typical tractor trailer pass-by to that of an automobile. Barriers can be formed from earth mounds or "berms" along the road, from high, vertical walls, or from a combination of earth berms and walls. Earth berms have a very natural appearance and are usually attractive. They also reduce noise by approximately 3 dB more than vertical walls of the same height. However, earth berms can require a lot of land to construct, especially if they are very tall. Walls require less space, but they are usually limited to eight meters (25 feet) in height for structural and aesthetic reasons.(https://www.fhwa.dot.gov/environment/noise/noise_barriers/design_construction/keepdown.cfm)

Copyright Text:

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

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Spatial Reference: 3087  (3087)

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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• FPN_NO ( type: esriFieldTypeString, alias: FPN_NO, length: 10 )
• FM_ID ( type: esriFieldTypeString, alias: FM_ID, length: 15 )
• ROADWAY ( type: esriFieldTypeString, alias: ROADWAY, length: 25 )
• BEGIN_POST ( type: esriFieldTypeString, alias: BEGIN_POST, length: 13 )
• END_POST ( type: esriFieldTypeString, alias: END_POST, length: 13 )
• FED_ROUTE ( type: esriFieldTypeString, alias: FED_ROUTE, length: 40 )
• APPROX_LOC ( type: esriFieldTypeString, alias: APPROX_LOC, length: 60 )
• FDOT_DISTR ( type: esriFieldTypeString, alias: FDOT_DISTR, length: 10 )
• TYPE ( type: esriFieldTypeString, alias: TYPE, length: 20 )
• FED_STREF ( type: esriFieldTypeString, alias: FED_STREF, length: 35 )
• FED_STATE ( type: esriFieldTypeString, alias: FED_STATE, length: 10 )
• FED_COUNTY ( type: esriFieldTypeString, alias: FED_COUNTY, length: 25 )
• FED_CITY ( type: esriFieldTypeString, alias: FED_CITY, length: 50 )
• ZIPCODE ( type: esriFieldTypeInteger, alias: ZIPCODE )
• BARRIER_ID ( type: esriFieldTypeString, alias: BARRIER_ID, length: 25 )
• FED_CYCOST ( type: esriFieldTypeInteger, alias: FED_CYCOST )
• FED_COST ( type: esriFieldTypeInteger, alias: FED_COST )
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Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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