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Warning equipment

Building-specific warning signs, lamps, and reflective markings, including roof-width measurement and alternatives to rear escorts.

9 facts from 2 places, each quoted from the agency that sets it.

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Open a question to read the facts on file that bear on it.

Facts

5 topics

Roof included in width for night restrictions (Yes or no)

Whether a prefabricated building's roof is included when measuring width for night-travel restrictions.

Warning lights replace rear escort conditions (In words)

Conditions under which warning lights may replace a rear escort for a prefabricated building on a divided highway.

  • New York

    The use of a certified escort vehicle in the rear in lieu of a warning sign may be required if the use of such vehicle would provide more effective warning or would be more convenient to the permittee.

Not stated in Quebec.

Minimum warning sign height above ground (Measures)

Minimum required height above the ground of the warning sign attached to the rear of a mobile home or modular building unit, measured in metres.

  • New York
    1.52 m (5′)

    Across 2 cases, each with its own conditions.

Not stated in Quebec.

Minimum warning lamp height above ground (Measures)

Minimum required height above the ground of the flashing or revolving warning lamp attached to each side of each rear corner of a mobile home or modular building unit, measured in metres.

  • New York
    1.52 m (5′)

    Across 2 cases, each with its own conditions.

Not stated in Quebec.

Minimum retroreflective strip width (Measures)

Minimum required width of the prismatic lens retroreflective material strip on each side of each corner of a mobile home or modular building unit, measured in metres.

  • New York
    0.3 to 0.31 m (1′ to 1′)

    Across 2 cases, each with its own conditions.

Not stated in Quebec.

Where the comparisons come from