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Federal Highway Administration Revises Rules to Make Highways Safer

As part of his continuing effort to improve safety on the nation’s roads and bridges, U.S. Transportation Secretary Ray LaHood today released a comprehensive update to the Manual on Uniform Traffic Control Devices (MUTCD). The manual, which has been administered by the Federal Highway Administration (FHWA) since 1971, sets the standards for road safety throughout the country.

“Safety is this Department’s top priority,” said Secretary LaHood. “These new and updated standards will help make our nation’s roads and bridges safer for drivers, construction workers and pedestrians alike.”

The MUTCD is the national standard for all traffic control devices, including traffic signs, pavement markings, signals and any other devices used to regulate, warn or guide traffic. Ensuring uniformity of traffic control devices across the nation – from their messages and placement to their sizes, shapes and colors – helps to...

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Production Line Instruments: Model 1000 for Sign Sheeting

The Model 1000 Retroreflection Online Monitoring System is a measurement system specially designed for retroreflective sheeting material production line monitoring.

Optional computer-controlled data acquisition, display and recording capabilities make the system particularly powerful. This option – incorporating a Microsoft Windows based computer, a data acquisition board and user-friendly control software – enables analog to digital data conversion, system calibration (converts voltage to retroreflection unit), graphical data display and data storage. Optionally, you can record production line parameters such as conveyer position, speed and material thickness with the appropriate sensors. Furthermore, user-adjustable “data ranking” is particularly useful. If results are below the lower rank, or above the higher rank, an alarm signal sounds.

Incorporating one projection light source and two observation angle photo detectors, the Model 1000 provides simultaneous measurement of two observation angles of 0.2° and 0.5°. Both projection and receiver optics are collimated and optical design meets both ASTM and CIE specifications for retroreflection measurement.

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