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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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hsip horizontal alignment signing

Hsip horizontal alignment signing

Jason J. Siwula, PE – Safety Engineer

horizontal alignment signing initiative
Horizontal Alignment Signing Initiative
  • Systemic Approach to installing Horizontal Alignment Signage (HAS)
  • Install HAS utilizing fluorescent yellow sheeting along the entire corridor where one RD Plan “enhanced” curve is located for consistency and uniformity
  • Target approximately 25% of the state maintained system over the five year implementation schedule
why horizontal alignment signs
Why Horizontal Alignment Signs?
  • Reduction in Lane Departure crashes
  • 2009 MUTCD Signing Changes
  • 2009 MUTCD Compliance Date
  • Driver expectation
  • Benefit / Cost
examples of signage updates
Examples of Signage Updates

Previously Existing Signing

2009 MUTCD Signing Update

mutcd compliance date december 31 2019
MUTCD Compliance Date – December 31, 2019

Many of the 2009 MUTCD Compliance Dates have been revised or eliminated, however, the compliance date for Horizontal Alignment Signing remains in place.

benefit cost ratio between 8 6 102 3
Benefit / Cost Ratio between 8.6-102.3

Bottom line – Many sites can be implemented with

a relatively low cost for a significant benefit!

*B/C Source: FHWA-HRT-09-045

a new approach
A New Approach
  • Contract with a consultant to supplement Traffic Engineering functions
    • Ball Bank Indications
    • Setting of advisory speeds
    • Approximate sign placement
    • Quantities for letting projects
example signing layouts
Example Signing Layouts

Non-Enhanced Curves or Turns

Enhanced Curves or Turns

current status
Current Status
  • Contracts with all consultants have been authorized 11/26/2012
  • Horizontal Alignment Signing / Ball Bank Training Class (1st scheduled for December 18, 2012)
  • “Boots on the ground” starting near the first of the year
next steps
Next Steps
  • Review initial corridor submissions from each consultant
  • Meet with the Districts to discuss implementation through the Construction Procurement process (inspection, quality control, etc.)
  • Let construction contract(s) for several corridors to ensure the quality of the end product
  • Adjust the process as necessary for implementation and complete Phase 1 and Phase 2.