GEOMETRIC DESIGN GUIDELINES
The Guidelines presented in Appendix I include the most often requested information regarding geometric design of subdivision streets. Designated Major Thoroughfares and Collector Streets shall be considered for special design features such as presented in Appendix 2 of this Chapter.
Design features not shown in Appendix I should be considered special design features. Agency Engineer as used throughout this section shall mean City Engineer for the City of Houston and the designated representative for Harris County Public Infrastructure Department. The average daily traffic volumes presented in Standard Drawing No. 10.06-01, 02, and Appendix 2 Figure I are provided as general guidelines to define each street classification. Professional engineering experience and judgment should be used in application of the guidelines to a specific project.
It is advisable to consult with the appropriate agencies and review the most recent edition of the following publications to determine adequate thoroughfare requirements and special design features.
• Recommended Guidelines for Subdivision Streets. Institute of Transportation Engineers
• Guidelines for Urban Major Streets Design, Institute of Transportation Engineers
• A Policy on Geometric Design of Highways and Streets, American Associations of State Highway and Transportation Officials (AASHTO)
• Texas Manual on Uniform Traffic Control Devices (TMUTCD), Texas Department of Transportation
