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The Guide for Accommodating Utilities within Highways and Freeways, 1st Edition, merges and updates the information in two former publications on utility accommodation: A Policy on the Accommodation of Utilities Within Freeway Right-of-Way, 5th Edition (published in 2005); and A Guide for Accommodating Utilities within Highway Right-of-Way, 4th Edition (published in 2005). The guide includes updates to materials that have changed or developed, as well as information on emerging technologies for installing and accommodating utilities in the right-of-way. With all redundancies and inconsistencies between the two previous editions removed and updated, this new guide contains five chapters: Introduction; General Accommodation Factors; Utility Accommodation on Fully Controlled-Access Highways; Utility Accommodation on Highway Right-of-Way (Noncontrolled Access); and Utility Accommodation on Multi-Access Right-of-Way (Partially Controlled Access).
Aside from the necessary differences imposed by State and local laws, regulations, franchises, governmental/industry codes, climate, and geography, reasonable uniformity in the engineering requirements should be employed by highway agencies for regulating the use of highway right-of-way by utilities. In this respect, guidelines outlining safe and rational practices for accommodating utilities within highway right-of-way are of valuable assistance to the highway agencies. The AASHTO guidelines in this publication are provided in the interest of developing and preserving safe highway operations and roadsides. Minimizing possible interference and impairment to the highway and its structures, providing a good appearance, and minimizing maintenance are covered in these guidelines. These guidelines should be interpreted and applied to the extent consistent with State laws which give utilities the right to use or occupy highway right-of-way.
AASHTO is the author of two documents that have guided utility accommodation highways for decades. The first document primarily applies to utility accommodation on highways that are part of the Federal Aid system. The second document primarily applies to utilities on state highways. The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 356: Development of a Guide for Accommodating Utilities within Highways and Freeways details changes in these rules and regulations over the years and ways AASHTO guidance can continue to evolve.