US 290 / Hempstead Tollway, Houston, Texas.

The rapid population growth in the Houston area requires expansion of this interstate highway corridor to accommodate projected traffic volumes.  HHR was selected to be part of the Program Management Consultant (PMC) team as Drainage Task Manager.  HHR is a sub-consultant to HNTB-Houston to provide drainage impact studies for Hempstead Tollway and US 290 from IH 610 to FM 2920 along a 34 mile corridor. Our services include preliminary storm sewer analysis, bridge hydraulics, floodplain impact/mitigation studies, stormwater management facilities, development of corridor-wide drainage design criteria, contract coordination, and review of drainage design tasks by Section Design Consultants.