171.11 Roadside Appurtenances

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RAP(A3) Signpost Breakaway Features

All sign posts are to be installed and maintained with breakaway features on all MoDOT maintained highways.

Reason for policy:

  • To meet FHWA standards
  • To reduce potential damages from errant vehicles striking roadside signs

Effective Date: 6/1/99

Revision Dates:

RAP(A4) Culvert Ends

See S&A(C2) Culvert Ends.

171.11.1 Protective Barrier

RAP(B4) Concrete Median Barriers

Concrete median barriers shall be replaced or repaired where the damage resulted in loss of a significant piece of concrete. The type of section and extent of damage will dictate whether the section should be replaced or repaired in place.

Reason for policy:

  • To assure proper operation of barriers

Effective Date: 6/1/99

Revision Dates: