Transportation and Drainage Operations

Vacant, Deputy Director

Transportation & Drainage Operations (TDO), headquartered at 611 Walker St., is responsible for overseeing the transportation and drainage infrastructure that spans Houston's 640 square miles. Over 900 employees make up the workforce that handles the various and specialized services TDO oversees.  

Through our seven branches TDO is responsible for maintaining and servicing the following:  In the areas of Traffic Maintenance, Traffic Management, TranStar Executive, and Traffic Work Order Branches, services include:  installation and maintenance of over 1,100 Traffic signs, 2,450 signalized intersections, 1,600 school zone flashers, 180,000 streetlights and 1,800 freeway lights.  

The Drainage operations of TDO includes, TDO Storm Water responsible for overseeing 3,900 storm drains and related infrastructure (manholes, inlets), 6, 600 outfalls, 28 roadway underpasses, 2,500 miles of roadside ditches, 74 miles of off-road ditches, and 33 storm water detention basins. 

Both Transportation and Drainage areas are responsible for the Street Maintenance of 6,200 center lane miles (approximately 15, 000 lane miles) while Street Maintenance services is responsible for servicing and maintaining 1,370 bridges. Through our 7 branches, and approximately 900 employees, Transportation & Drainage Operations works hard to ensure the citizens of Houston receive customer service in an effective, efficient and responsive manner. 

As a part of one of the largest accredited Public Works agencies in the United States, Transportation and Drainage Operations sets high standards for maintenance and service. TDO strives to do more for Houston citizens and is dedicated to ensuring the delivery of quality service, in a safe and timely manner, providing for the smooth operation and high-level maintenance of traffic infrastructure, streets, bridges, and storm water infrastructure in the City’s rights-of-way.  TDO also works to ensure the safe and efficient mobility of Houston drivers, cyclists, and pedestrians.

Follow these links for more information:
To Report a Street Light Outage or Malfunction

Record the 6 digit number located on the street light pole (if possible). Report the problem to CenterPoint Energy online (CenterPoint Report Street Light Outage) or by phone (713.207.2222).

Business Services Branch

Ciara ClarkDeputy Assistant Director

Business Services Branch, directs the daily operations of Finance & Purchasing, Payroll and Benefits, Fixed Asset, and Safety & Training sections. 

Customer Service Branch

Tracy SamuelDeputy Assistant Director

The Customer Service Branch is responsible for managing traffic related 311 service requests and serves as the primary contact for customer service in the Traffic Operations Division. 

Traffic Maintenance Branch

Fabio Capillo, Assistant Director

The Traffic Maintenance Branch is responsible for maintaining various transportation infrastructure for the City of Houston, including traffic signals, school zone flashers, traffic signs, freeway lights & under bridge lights, and pavement markings. 

Traffic Management Branch

Khang M. Nguyen, P.E., PTOEAssistant Director

The Traffic Management Branch is responsible for performing engineering studies, plan reviews, & field investigations related to traffic safety, traffic counts, street lighting, school zones, speed humps, railroad safety & quiet zones, view obstructions, neighborhood cut-through traffic, and Capital Improvement Plan (CIP) projects. 

TranStar Executive Branch

The City is an important partner in Houston TranStar, a multi-agency collaboration that provides a coordinated approach to transportation and emergency management throughout an eight-county region surrounding Houston. 
Contact main line: 713-881-3000.