§ 801-51. Guardrails.

Latest version.

Guardrails shall be installed where warranted as indicated on the figure in the Appendix and where required by the Board. Guardrails on major and secondary roads shall be steel beam highway guardrail Type SS in accordance with the Massachusetts Highway Department standards. On minor roads and in Historic Districts, steel-backed wood rail in accordance with the National Park Service either/or ASHTO standards may be used in the place of steel beam guardrails where permitted by the Board.

                    
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