Hsip horizontal alignment signing. Jason J. Siwula, PE – Safety Engineer. Horizontal Alignment Signing Initiative. Systemic Approach to installing Horizontal Alignment Signage (HAS)
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Jason J. Siwula, PE – Safety Engineer
Previously Existing Signing
2009 MUTCD Signing Update
Many of the 2009 MUTCD Compliance Dates have been revised or eliminated, however, the compliance date for Horizontal Alignment Signing remains in place.
Bottom line – Many sites can be implemented with
a relatively low cost for a significant benefit!
*B/C Source: FHWA-HRT-09-045
Non-Enhanced Curves or Turns
Enhanced Curves or Turns