Skip Navigation to ContentSeattle Right-of-Way Improvement Manual SDOT Home
HomeSearch TipsJoin Email ListGlossaryLinksContact UsFAQsdisclaimer

This online manual has been superceded by Street Illustrated.

Chapter 3
  « Back to Chapter 2  |  Go to Chapter 4 »
Right-of-Way Improvement Requirements
3.1.3d Alleys, New Alleys - Required Improvements
« Back to Previous Page

Required Improvements for New Alleys

  • Alley surface: Portland cement concrete or asphalt concrete for the entire length and width of alley.
  • Turnaround: Required when alley is not dedicated through from street to street.
  • Alley grading: Grade to standard alley section for full width of alley.
  • Alley drainage: Required.

Refer to Figure 3-15: Alley Improvement

Latest Online Manual
Detailed Table of Contents
Chapter 3
Right-of-Way Improvement Requirements
3.1 Overview of Requirements from the Land Use Code (Ch. 23.53 & 23.22)
3.2 Requirements for Streets, Alleys and Easements
3.3 Contact Information
Report ROWIM content errors and/or website problems Report ROWIM content errors and/or website problems
Download Adobe Acrobat Reader Download Adobe Acrobat Reader


End of Content
Home | Search Tips | Join Email List | Glossary | Links | Contact Us | FAQs
SDOT Home | Seattle.Gov