Madden Accident Analysis, Investigation, Reconstruction
James D. Madden, P.E., 
Board Certified Diplomate Forensic Engineer
Forensic Engineering & Scientific Accident Reconstruction
Over 30 Years Investigating, Analyzing, Reconstructing and Testifying about Accidents
440-838-0640, 440-832-9540
www.maddenar.com

Free Initial Phone Consultation
Fixed Fee Preliminary Accident Evaluation Available
Roadway & Traffic Control Safety & Standards

    ROADWAY & TRAFFIC CONTROL SAFETY & STANDARDS

    Highway, Street and Roadside Codes, Standards, Guidelines and Recommended Practices

    Roadway design, construction and maintenance is regulated by legislation and codes and standards. These codes and standards are prepared and issued by state and federal authorities. They include Standards for highway design, construction and maintenance issued by the various states and the federal government. They also include Recommended Practices, Guidelines and Policies issued by the Association of State Highway and Transportation Officials (AASHTO), including the Roadside Design Guide and the Policy on the Geometric Design of Highways and Streets.

    Roadway design, construction and maintenance codes and standards serve different purposes, one of which is to provide roads which are safer than would be the case without such standards. Non-conformance with highway design, construction and maintenance standards which are intended to promote a safer roadway can be expected to lead to less safe highways and streets than would otherwise be the case. 

    Traffic Signs, Signals, Markings and Warnings

    The use of Warnings on highways and roadways - in the whole traffic system - is regulated by legislation and codes and standards for traffic applications. These codes and standards are prepared by state and federal authorities and take into consideration the more restricted role that Safeguards can take in use with highways and roadways compared to, for example, stationary machinery. These codes and standards include the Manual of Uniform Traffic Control Devices issued by the various states and the federal government. 

    These codes and standards, and associated manuals, also take into consideration the significant role that drivers, other users of the roadways and persons who encounter roadways, play in the traffic system. These also take into consideration the long history of the use of written signage, auditory warnings (for example, bells at railroad crossings), symbols on signage and roadway surfaces, and visual control devices (for example, traffic control lights), and the expectations that this long history brings from the public. 

    Of particular concern is the fact that for this traffic system, to be fully effective it must be learned by all drivers, in most cases at a relatively early age, and changes cannot be easily communicated to all drivers over the subsequent decades, once they have learned the system.Writing in paragraphs can be very helpful for your visitors.

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