The Minnesota MUTCD Part 6D requires that pedestrian accessibility be maintained whenever the facility is restricted or realigned due to a construction or maintenance project. This applies to all public roads (and all private roads open to the public) in Minnesota.
Alternate Pedestrian Routes (APR)
An APR is a temporary pedestrian facility created to replace a pedestrian facility impacted by a work zone. The APR must contain accessibility features consistent with the features present in the impacted pedestrian facility.
Temporary Pedestrian Access Route (TPAR)
A TPAR is a temporary pedestrian route that is fully accessible and meets the standards and guidelines of PROWAG. TPAR devices are pedestrian elements (such as temporary curb ramps, pedestrian channelizers, sidewalk barricades, etc) that meet the parameters defined in PROWAG
More Information & Layout notes: See MnDOT Traffic Engineering Site
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Accommodating Pedestrians in Work Zones
When pedestrian facilities are impacted due to maintenance or construction, pedestrian accommodations must be provided to the maximum extent feasible. These accommodations may be made detectable and must have accessibility features up to the level of the disturbed route. Signage and devices, as necessary, must be provided to direct pedestrians safely through the work zone.