arrow DOT - Homepage
arrow Contact Information
arrow Department Sitemap

Faye DiMassimo

1890 County Services Pkwy
Marietta, GA 30008
(770) 528-1600

Cobb County Department of Transportation
Roadway & Traffic

arrow 2011 SPLOST Website

On March 15, 2011, a referendum on a four-year SPLOST (Special Local Option Sales Tax) was approved by Cobb voters. This program will be in effect from January 1, 2012 thru December 31, 2015.

arrow Road Closure Alert

Find out about the latest road closures and detours. Click on the detour maps to find the exact construction locations.


arrow Traffic Cameras
Click here to view Traffic Cameras and Live Streaming Video at over 40 locations throughout Cobb County.

arrow Cobb Traffic Counts

Cobb County Department of Transportation collects and maintains a traffic count database for most roads within the County. The Traffic Count Map, launched through the County's Geographic Information Systems (GIS) portal, includes counts taken from the last 3-4 years and is periodically updated. The counts are the Average Daily Traffic (ADT) which is a 24-hour count of vehicles for both directions of travel.


arrow Major Throughfare Map
Last Updated May 2009

This map of Cobb County highlights Arterial Roads, Major Collectors and Minor Collectors.
Map size is 6.2mb - downloading times will vary.


arrow 2005 SPLOST Project Updates As the 2005 SPLOST program comes to completion, learn more about the various transportation projects that are currently being built. Concept maps, fact sheets and contact information are available for most projects.