ATLAS Live

Set Intersection Center

Click the middle of the intersection on the map to set the reference point.

Uses GIS street centerlines to find intersection center

Intersection Information

Please review and edit the intersection details below:

Intersection Name:

Intersection ID:

Road Authority ID: J2735 RoadRegulatorID (16-bit)

Region ID:

Speed Limits (mph):

NB:

SB:

EB:

WB:

Street names were automatically detected from the map. You can edit them if needed.

Set Reference Landmark

Click a landmark (traffic cabinet, pole, stop bar, etc.) to establish orientation.

This helps validate you're at the correct intersection and provides a visual reference while drawing.

Distance from center: -

Bearing: -

Draw Vehicle Lanes

↑ Draw NBL (Northbound Left) lanes

Draw lane centerlines from stop bar toward intersection center. Double-click to finish each lane.

Ingress: NB EB SB WB

Egress: NB EB SB WB

Drawing Mode:

Click stop bar to auto-detect lane from road geometry.

Configure Lane Properties

Draw Crosswalks

↔ Draw NB Crosswalk (crosses north side of intersection)

Draw crosswalk centerline from curb to curb. Double-click to finish.

North South East West

Configure Crosswalk Properties

Preview & Export

Validation Report

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Encoding Mode:

node-XY1	±1.27m	8-bit (smallest)
node-XY2	±5.11m	10-bit
node-XY3	±10.23m	11-bit
node-XY4	±20.47m	12-bit
node-XY5	±40.95m	13-bit
node-XY6	±327.67m	16-bit (largest)

Phase Calls

Traveler Information

Signal States

Intersections

My MAPs

Message Stream