Highway safety manual, 1st edition, 2010 march 2016. The highway safety manual hsm was developed to help measurably reduce the frequency and severity of crashes on american roadways by providing tools for considering safety. The purpose of the hsm is to assess the safety impacts of transportation project and program decisions. Errata to highway safety manual, 1st edition hsm1e2 4 february 2012 page existing text corrected text 1152 column 5 of the worksheet sp3c show the values for combined cmfs are 0. Aashto roadside design guide, 4th edition february. July, 2015 errata american association of state highway. Updates were made to the rural twolane roads and rural multilane highways in july 2019, addressing comments by the aashto highway safety manual.
April 2012, has been updated to reflect the february 2020 errata. Force for the development of a highway safety manual in may of 2000. Aashto roadside design guide, 4th edition february, 2012 errata. Errata to the highway safety manual, 1st edition and supplement 2010 errata changes in blue 2012 errata changes in red 2016 errata changes in green bold hsm1e3 ii march 2016 page existing text corrected text vol. Aashto highway safety manual purpose the purpose of the hsm. Updates were made to the rural twolane roads and rural multilane highways in july 2019, addressing comments by the aashto highway safety manual steering group, making minor improvements to formatting and reporting structure for ease of use, and modifying instructional text for improved clarity and consistency.
Highway safety manual part d includes the few cmfs of high quality cmfclearinghouse. Roadside design guide, 4th edition, includes errata 2015. The highway safety manual hsm is the premier guidance document for incorporating quantitative safety analysis in the highway transportation project planning and development processes. Errata to roadside design guide, 4th edition rsdg4e4 1 february 2012 page existing text corrected text 321 example 3d does not have discussion text to follow after the figure. Customerfocused service guarantees and transparency practices. Please replace the existing text with the corrected text to ensure that your edition is both accurate and current. Highway safety manual, 1st edition, errata february 2012 aashto. Guidance for implementation of the aashto strategic highway safety plan. The hsm, developed by aashto and first published in 2010 with a supplement for freeways published in 2014, presents contemporary scientific methodologies for.
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