Technical advisories
Skip to main content
Careers Contact us
Discover Texas

Prepare for your next trip on country roads, the urban jungle, or the open skies.

Discover Texas
See live traffic cameras
Safety rest areas and travel information centers
Ferry boat schedules
Texas vehicle registrations, titles, and licenses
Rail
Texas transit agencies – find yours
Texas Airport Directory
Bicycle trails and maps
Texas maritime ports
Express, toll, and HOV Lanes
Travel publications
EV charging stations
Data and maps

Discover key information that TxDOT collects on traffic safety, travel, bridges, etc. Study our various maps, dashboards, portals, and statistics.

Data and maps
Reference maps
Traffic count maps
Official travel maps
Roadway inventory
One-stop demographic data analysis tool
Global Positioning System (GPS)
Crash reports and records
District and county statistics (DISCOS)
Right-of-way maps
Bicycle and Pedestrian Count Program
TxDOT performance results summary
Load Zoning
Performance Dashboard
Statewide planning map
Maritime Division’s project dashboards
Do business

Learn how to get started and find your next business opportunity.

Do business
Project development resources
Plans online
Road, bridge, and maintenance contractors, and roadway and traffic material suppliers
Engineering, architectural, and surveying consultants
Disadvantaged and Small Business Enterprise Programs
Right of way
Suppliers and vendors
Grants and funding
Aviation resources and opportunities
Scientific services contracts - requests for proposal
Surplus and salvage of state property
Fleet Account and TxTag Retail Sales
Compliance and ethics requirements
Important news concerning bidding capacity
Explore projects

Browse projects in your area and find opportunities to get involved.

Explore projects
Hearings, meetings and notices schedule
Projects and studies
Project Tracker
Transportation planning
Research projects
Stay safe

Getting around can be dangerous. Luckily, we have safety tips for all the ways you like to travel.

Stay safe
Traffic safety campaigns
Prepare for severe weather
Traffic signs and signals
Driving safety and laws
Bicycle and pedestrian safety
Mailboxes on state highways
Transportation systems management and operations
Smart Work Zones
Traffic Incident Management
About

Stay up to date with the latest news and learn more about who we are.

About TxDOT
Careers
Newsroom
Campaigns and outreach
Programs
Partnerships
TxDOT Districts
TxDOT Divisions
Leadership
Advisory committees
Financial Management
Legislative resources
Brand Guidelines
Contact Us

Technical advisories

Asphalt and chemical

Date Title
01/08 FAQs for Performance Grade Binders
01/08 NRM and DMS-11000
11/05 Opening Stuck Valves on Asphalt Piping

Flexible pavements

Date Title
04/16 Thermal camera guidance document
06/11 Protocol for roadway core custody
02/09 Crack attenuating mixtures and rich bottom layer mixtures
05/08 Use of tapered Longitudinal Joints Such As the Notched Wedge Joint
01/08 Proper use of tack coat
01/08 FAQs for ride specifications
08/06 Hamburg wheel test
08/06 Revised guidelines on minimum roadway placement temperatures
03/06 Blind sampling
03/06 FAQs for hot mix asphalt mix design
09/05 Flexible pavement design FAQs

Materials and Tests Administration

Date Title
09/10 Using ground-coupled radar techniques to detect concealed subsurface voids
01/09 FAQs about network-level falling weight deflectometer data collection
06/08 FAQs about the falling weight deflectometer

Rigid pavements, chemical, and concrete materials (RPCM)

Date Title
09/19 Hot weather concretting
09/19 Construction tips: certifications for concrete testing
09/19 Sawing concrete pavement
09/19 Tie bars in concrete pavements
09/19 Calcium aluminate cement concrete (class CAC concrete)
09/19 Calcium aluminate cement concrete (class CAC concrete) tip sheet
09/19 Fiber reinforced concrete (FRC)
09/19 Fiber reinforced concrete (FRC) tip sheet
07/19 Fly ash supply update
07/19 Concrete curing (condensed)
11/13 Using slot stitching to repair longitudinal joint separation on roadways
06/11 Calcium aluminate cement concrete (class CAC concrete) important items for construction and inspection
01/11 Calcium aluminate cement concrete (class CAC concrete)
06/10 Fly ash supply (condensed and full-length)
06/06 Concrete curing (full-length)

Soils and aggregates

Date Title
08/19 Flexible base selection and information guide
12/10 New special orovision for compost
06/10 Best practices for sampling flexible base
09/08 Recycled concrete aggregates make cents
08/19 Treatment guidelines for soils and base in pavement structures

Traffic materials and coatings

Date Title
07/19 Field testing of concrete curing compound

Contact us

For newsletter publication information, contact the Materials and Tests Division at 512-506-5802. For technical information, contact the person cited in the article.