Maps vs. the ground truth in Phoenix, AZ: ready for autonomous driving? See Report
Nexar’s CityStream for better management of road assets

Create and monitor Road Inventory
remotely and frequently

Create and monitor Road Inventory
remotely and frequently

Use the power of Nexar’s dash cam network
& AI for better management of road assets

Nexar’s CityStream for better management of road assets

What is Road Inventory?

With CityStream Road Inventory you can detect, monitor, and map traffic signs & signals. Nexar automatically detects traffic signs using Artificial Intelligence in our dash cams and application. Recent images of these detections are then aggregated, localized and mapped so you can remotely monitor them.

Nexar’s CityStream Road Inventory service for mapping traffic signs

Improve asset planning & design

With fresh visual data from your roads, you can better monitor & plan changes to your roadway inventory.
Nexar provides  fresh visual data from the roads

Monitor Road Inventory condition

Review and get alerted of changes in the state of your assets so you can rapidly fix any missing signs and improve the safety of your roads.
Nexar’s CityStream for monitoring road inventory condition

AI-Powered Change Detection

Use AI on top of fresh imagery and understand what changed and how, without a human needing to shift through thousands of images. Make sense of changes in the physical world so you can better track them and change course.

Keep your maps up to date

Get CityStream Road Inventory data via an API so you can keep your maps fresh and up to date with the changes happening in the roads.
Nexar’s CityStream service is helpful for mapping, rideshare, and logistics companies

Improve your navigation with better road data

Help your users get to their destinations faster by having the freshest roadway data.
Nexar’s road data for better navigation experience

How does it work?

Dash cams
collect images

Nexar dash cam users anonymously contribute images from their drives

AI detects
CityStream road inventory

Nexar uses cutting edge Artificial Intelligence on the dash cams and app to detect road assets

on map

These detections are aggregated, localised and put on a map, making monitoring of changes easy