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Click to edit Master title style2018 ACEC-FL Transportation Conference – May 31, 2018
Emergency Shoulder Use (ESU) in Florida
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Agenda
• What is Emergency Shoulder Use (ESU)?
• ESU Components
• ESU Criteria
• ESU Benefits and Challenges
• ESU Concept Plans
• ESU Standard Operating Procedures (SOPs)
• Hurricane Irma ESU
• 2018 ESU Corridors
• Design and Construction on ESU Corridors
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What is Emergency Shoulder Use (ESU)?
• Shoulder Use for Emergency Evacuation or ESU▪ Allows for use of shoulder during emergency
▪ Left shoulder use in six-lane roadway
▪ Right shoulder use in four-lane roadway
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ESU Components
• Proactive coordination with the stakeholders
• Field reviews
• Active and upcoming construction projects
• Concept Plans
• Incident management plans
• Standard operating procedures
• Law enforcement deployment plan
• Public Education
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ESU Criteria
• ESU shoulder width criteria
▪ At least 10’ shoulder should be available
▪ Shoulder width less than 10’ and greater than 9’ is considered a “Narrow Shoulder”
▪ Shoulder width less than 9’ is considered a “Pinch Point”
• “Narrow Shoulder” treatment requires
▪ Additional signing – both static and Portable Changeable Message Sign (PCMS)
• “Pinch Point” treatment
▪ Pinch points will have permanent solution.
▪ If permanent solution is not implemented prior to hurricane, a temporary traffic control plan is available.
• Additional enforcement and PCMS
▪ ESU limits may be adjusted if needed
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SIX-LANE SECTION
FOUR-LANE SECTION
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ESU Benefits and Challenges
Benefits• Arterial and local roads are not disrupted
• Significantly less resources compared to one-way operation▪ Law Enforcement
▪ FDOT staff
▪ Traffic cones, barriers, signs, arrow boards, etc.
• Shorter-notice implementation and shutdown
• Flexibility to implement in sections where there is congestion
• Flexibility to adjust corridors and limits to respond to changing hurricane track
• Does not impact opposite-direction responder flow as first responders head towards incident
• Does not impact pre-staging of post-event assets using opposite direction
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Challenges• One of the shoulders is not dedicated to responders
▪ Emergency Assistance Vehicle (EAV) and Road Rangers
• Rumble strips in travel way▪ Buses, trucks, and trailers restricted from shoulders. Rumble
strips are traversable and remind to reduce speed.
• Reduced travel lane▪ Buses, trucks, and trailers restricted from shoulders. Narrower
lane encourages reduced speed.
• Shoulders need to be debris-free prior to use▪ FDOT Maintenance Standard Operating Procedures (SOPs)
• Shoulders need to be kept debris-free during operation▪ FDOT ESU Standard Operating Procedures (SOPs)
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ESU Benefits
1. Able to use in overnight hours2. Allowed incident response from opposing
direction3. Allowed efficient pre-staging of post-storm
recovery assets
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ESU Concept Plans
• Coordination between▪ FDOT and State Emergency Operation Center
▪ FDOT and Florida Highway Patrol
▪ FDOT and Federal Highway Administration
▪ FDOT and Georgia Department of Transportation
• ESU plans address▪ Begin and end treatments
▪ Interchange, rest area, and recreation area treatments
▪ Narrow shoulder and pinch point treatments
▪ Law Enforcement Officer (LEO) location and crossover identification
▪ Sign color, type, message, location, and spacing
▪ EAV locations (concept only)
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ESU Concept Plan Examples
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Begin/End Treatment Left Shoulder Use Typical Interchange
Right Shoulder Use On Ramp Narrow Shoulder Treatment
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ESU Standard Operating Procedures (SOPs)
• District SOPs▪ Developed for each corridor and are Living Documents
• Coordinated effort of FDOT, Law Enforcement, and FDOT Contracting Partners
▪ Establish the operations required to be prepared for and to implement ESU as shown in the Concept Plans for each corridor
▪ Establish who, what, when, where, and how the operations will be performed
▪ Six primary sections
• Organization Structure and Communication
• Equipment List
• Pre-Implementation Operations Under Blue Skies
• Pre-Implementation Operations Under Pending Gray Skies
• Implementation Operations
• Post-Implementation Operations
▪ Establish the timeframes to implement once the direction to implement is given
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ESU SOPs – Emergency Roadside Assistance Services (ERAS)
• ERAS will be provided on all ESU corridors and will be supplemented by Road Ranger Service where available
• There is no Perfect Solution
• The primary goal is to keep traffic moving
• Responsibilities include▪ Relocating disabled vehicles out of the travel lane
▪ Providing fuel
▪ Changing tires
▪ Performing other minor (short-term) vehicle repairs to restore for travel
▪ Provide transportation for the disabled vehicle occupants
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Hurricane Irma ESU – Background
• Tropical Storm on August 30th
• Reached hurricane status on August 31st
• Reached Florida as a Category 4
• Landfall in the Keys and near Marco Island on September 10th
Source: The Weather Channel
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Hurricane Irma ESU – Path Prediction
Source: National Hurricane Center
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Hurricane Irma ESU – Path Shift Westward
Source: National Hurricane Center
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Hurricane Irma ESU – Background
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Hurricane Irma ESU – Mandatory Evacuation
“If you have been ordered to evacuate, you need to leave now…” - Gov. Rick Scott
• September 4th Florida Declares State of Emergency to prepare Florida for Hurricane Irma
• Estimated 6.8 million people ordered to evacuate
• Evacuation by County
Source: The Weather Channel
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Hurricane Irma ESU – News Releases
FDOT News Releases• No contraflow or one-
way operation• No other roadways
currently approved for shoulder use
• Law enforcement urges motorist to use caution
• FDOT is constantly monitoring traffic flow
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Hurricane Irma ESU – Alerts
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Hurricane Irma ESU – I-75
• September 7, 2017
▪ ESU Implementation at 8 PM
▪ I-75 from Wildwood to CR 136 north of I-10
• September 8, 2017
▪ Terminus was extended to the Georgia State Line
▪ Start was extended approximately 2 miles
• September 9, 2017
▪ ESU operation terminated at approximately 11AM
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September 9, 2017
• Implementation at 3:00 PM
• I-4 from 50th Street (US 41) in Tampa to the Western Beltway (SR 429) in Orlando
• ESU terminus extended to Central Florida Greenway (SR 417)
• Terminated at approximately 8 PM
Hurricane Irma ESU – I-4
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Hurricane Irma ESU – Successes
• Largest evacuation in US history achieved with ample time before tropical storm force winds hit impacted areas
▪ Unprecedented storm path up the middle of the State impacted all Districts
• Emergency Shoulder Use successfully implemented
▪ I-75 from Wildwood to the Georgia State Line
▪ I-4 from Tampa to Orlando
▪ No traffic fatalities due to ESU
▪ Emergency Response Vehicles, including out-of-state responders, were still allowed to travel opposite direction to pre-stage assets
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Hurricane Irma ESU – Challenges
• Pockets of free flow speeds within corridors
• Illegal use of shoulders
▪ During evacuation on non-ESU corridors
▪ During re-entry
• Back-up on I-75 at Georgia State Line
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2018 ESU Corridors
▪ I-4 Eastbound from US 41 in Tampa to SR 417 in Osceola County
• FDOT Districts 7, 1, and 5
▪ I-10 Westbound from SR 23 in Duval County to US 319 in Tallahassee
• FDOT Districts 2 and 3
▪ I-75 Northbound from US 27 in Broward County to Georgia State Line
• Except for Pasco County/Hernando County Line to Wildwood due to active construction project
• FDOT Districts 4, 1, 7, 5 and 2
▪ I-75 (Alligator Alley) Southbound from SR 951 in Collier County to US 27 in Broward County
• FDOT Districts 1 and 4
▪ I-95 Northbound from SR 70 in Fort Pierce to I-295 in Duval County
• FDOT Districts 4, 5, and 2
▪ Turnpike Mainline from SR 50 in Winter Garden to US 301 in Wildwood
• FDOT Turnpike
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Design and Construction on ESU Corridors
• Roadway Design Bulletin 18-05 / Traffic Engineering and Operations Bulletin 18-01
• FDOT Design Manual (FDM) 211.4.6▪ Provide minimum 10’ paved shoulder on ESU routes
▪ Routes are found at FDOT EM Website: http://www.fdot.gov/emergencymanagement/esu/
▪ Portion of shoulder gutter may be included – Figure 211.4.5
▪ Direction on resurfacing projects where paved or usable shoulder widths < 10’
▪ Direction on location of median barrier
• FDM 240.1.1▪ Maintain FDM 211.4.6 requirements during all phases of construction
▪ Design Variation must be approved by Chief Engineer
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Thank you.
Questions?
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