Surface Transportation Safety Act of 2011

[AI summary unavailable — showing source text] Surface Transportation Safety Act of 2011 - Directs the Secretary of Transportation to modify certain federal regulations to: (1) allow fire services personnel to wear high visibility apparel meeting certain requirements, and (2) ensure that positive protective measures (including temporary longitudinal traffic barriers) are used to separate workers on highway construction projects from motorized traffic. Directs the Secretary to approve the use of federal-aid highway funds by a state for patented or proprietary items that further the goals of state strategic highway safety plans. Directs the Secretary to revise the Manual on Uniform Traffic Control Devices to include a standard for a minimum level of retroreflectivity for pavement markings on all public roads. Revises requirements for the highway safety improvement program to count installation, replacement, and upgrade of highway signs and pavement markings as a highway safety improvement project. Authorizes: (1) states to obligate highway safety improvement program funds apportioned to them for projects to maintain minimum levels of retroreflectivity in highway signs or pavement markings on public roads, regardless of whether su…