Dual units have been mandatory on restriction signs since TSRGD 2016. For height restrictions, the imperial and metric units normally appear on a single sign though they can appear on separate adjacent signs. Most height restriction traffic signs for bridges now show dual units. If your vehicle complies with both values, you can drive under the bridge. If your vehicle does not comply with either value, you cannot drive under the bridge. But what if your vehicle complies with only one of the values? Can you drive under the bridge in this case?
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Metric Views 