Safer Work Zones Through ITS

1
Safer Work Zones Through ITS

• Interim Traffic Management System
• Florida Department of Transportation
• Tahira Faquir

2
The Problem

• Eight year construction of I-95 (extending for 46
  miles)
• I-95 experiences substantial peak hours
  congestion
• No existing Interstate traffic management system

3
Solution Criteria The Management System

• Rapidly deployable
• Mobile and reconfigurable with little effort
• Supports development of safety Measures of
  Effectiveness
• Supports assessment of work zone/non-work zone
  safety

4
Solution Composition

• Traffic Management
• Maintenance of Traffic
• Information System

5
Description of Components

• Traffic Management
• Function
• Dissemination of information to the traveling
  public
• Maintenance of Traffic
• Function
• Enhancement of existing MOT
• Real Time Construction Information

6
Description of Components

• Information System
• Function
• Capture and recording of data
• Main Equipment
• Smart Zones
• Trailered Dynamic Message Signs
• Pole Mounted Dynamic Message Signs
• Traffic Management Office
• Website
• Incident Tracking Database

7
System Overview
 
8
Safety Impacts (Goals)
System Component Work Zone Non-Work Zone (Interstate) Non-Work Zone (Arterial)
Traffic Management System Reduced secondary accidents, reduced incident response times, incident information dissemination Incident information dissemination, accident reduction, advanced warning of conditions in work zones Advanced warning of conditions on the Interstate, Construction information
Maintenance of Traffic Real-time construction information in advance of work zones, reduction of construction related accidents Not applicable Not applicable
Information System Incident time recording and dissemination Incident time recording and dissemination Incident time recording and dissemination
9
Evaluation

• Elements
• Assessment of Publics view on effectiveness of
  system
• Assessment of partner agencies perception of ITMS
• Assessment of decision-makers perception of ITMS
• Assessment of ITMSs operational effectiveness
• Effects of ITMS on travel delay during
  construction
• Effects of ITMS on crash occurrence during
  construction and on incident response time