Fwd: Highway Design Manual Update 05/20/2022

[David Takemoto-Weerts]

FYI. I just received this today. 

---------- Forwarded message ---------
From: <highway-design-manu...@lists.dot.ca.gov>
Date: Wed, Jun 8, 2022 at 12:49 PM
Subject: Highway Design Manual Update 05/20/2022
To: <dltakemo...@ucdavis.edu>

Highway Design Manual Subscribers,

Please see the Highway Design Manual (HDM) update 5/20/2022 on our website at https://dot.ca.gov/programs/design/manual-highway-design-manual-hdm. Changes include updates related to curb ramps, temporary barrier with falsework openings, rumble strips, median width, roundabouts, interchange spacing, ramp metering, pavement design, and plastic pipe. Also, included are website updates, clarification language, typographical corrections, reference corrections, and updates to figures and tables. The HDM Manual Change Transmittals section contains the recent update.

Thank you

H. David Cordova, P.E.
Highway Design Manual Editor and Legal Liaison
Division of Design, Office of Standards and Procedures
California Department of Transportation (Caltrans)