1517 San Jacinto St.; Houston, Texas, 77002
phone 713-652-3937 | 800-423-1825
fax 713-652-1914 | 713-652-1911
Highway function, design controls and criteria, elements of design, cross section elements, local roads and streets, collector roads and streets, rural and urban arterials, freeways, intersections, and grade separations and interchanges.