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Service Description: <div style='text-align:Left;'><div><div><div style='font-size:12pt'><p><span> This line feature layer represents the arterial roadway segments extracted from the Master Street Map (MSM) maintained and managed by the Ada County Highway District (ACHD) in Ada County, Idaho. Each feature corresponds to an arterial street segment and include attributes such as street name, street type, exist lane, parking, typology, ROW project and street code. Arterial roadways serve as the primary corridors for moving higher volumes of traffic across the county, connecting major destinations, activity centers, and collector routes. The dataset is intended to support transportation planning, corridor studies, traffic operations, capital improvement programming, and long-range infrastructure planning across the ACHD road network. Data was compiled and is maintained by the Ada County Highway District.</span></p></div></div></div></div>
Map Name: Map
Legend
All Layers and Tables
Dynamic Legend
Dynamic All Layers
Layers:
Description: New Group Layer
Service Item Id: d8e274e411ed48c8b3d05d669a0f9b08
Copyright Text: Created by Ada County Highway District, 2026. Master Street Maps Arterials data sourced from the highway district.
Spatial Reference:
102459
(102459)
Single Fused Map Cache: false
Initial Extent:
XMin: 2454292.099261378
YMin: 704912.5736525041
XMax: 2483758.6167202694
YMax: 725408.7982856618
Spatial Reference: 102459
(102459)
Full Extent:
XMin: 2385086.553948403
YMin: 573584.6238696533
XMax: 2570504.999945092
YMax: 784430.6247060201
Spatial Reference: 102459
(102459)
Units: esriFeet
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Map
Author:
Comments:
Subject:
Category:
Keywords: Arterials,master street map,MSM,street centerlines,principal arterial minor,arterial,roads,roadway network,transportation,infrastructure,functional classification,right of way,traffic,ADT,speed limit,corridors,Ada County,Idaho,ACHD,Ada County Highway District,network,lines,GIS Planning,capital improvement
AntialiasingMode: Fast
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 2000
MaxSelectionCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
Child Resources:
Info
Dynamic Layer
Supported Operations:
Export Map
Identify
QueryLegends
QueryDomains
Find
Return Updates
Generate KML