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Traffic Engineering and Operations Office


Safety is Golden
Vision
Provide leadership and serve as a catalyst in becoming the national leader in senior mobility.
Mission
Improve the safety, access, and mobility of Florida's growing aging population.


The Department began implementing roadway improvements in 1991 through routine maintenance activities responding to revised design standards based on the Federal Highway Administration's (FHWA's) Highway Design Handbook For Older Drivers and Pedestrians. These roadway improvements were installed on our State Highway System within two years of implementation and are now standards on our system. These improvements fall under the following areas to:

Increase Visibility
  • 6-inch wide lane and edge line pavement
  • 40-foot spacing for Reflective Pavement Markers
  • Larger lettering on guide signs
  • Overhead street name signs
  • Larger size Stop, Yield, and Warning Signs
  • Work zone improvements
  • Back plates on traffic signals

Improve Pedestrian Features
  • Refuge islands
  • Pedestrian educational plaque
  • Countdown pedestrian signals
  • Countdown pedestrian educational plaque

Provide Advance Notification
  • Advance street name signs at signalized locations
  • Advance street name signs at non-signalized locations
  • Advance street name plaques on intersection warning and advance traffic control signs
  • Advance warning signs


In June 2009, the Department completed a series of eight human factors studies with Florida State University's Department of Psychology. This research was conducted using lab and field experiments (day and night) to assess sign perception and pedestrian awareness for younger, middle-aged and older drivers and to assess older and younger pedestrian intersection crossing behavior.
Click on Intersection and Pedestrian Safety Research Project to view the final report.

To Increase Visibility

6 inch lane lines
Increased Lane and Edge Line Pavement Marking Widths from 4-inch to 6-inch
Reflective Pavement Markings at 40 foot spacing
Increased Reflective Pavement Markers (RPMs) from 80-foot Spacing to 40-foot Spacing
Larger Lettering on Guide Sign
Use of Larger Lettering on Guide Signs
Overhead Street Name Sign
Use of Overhead Street Name Signs
mini-sunSee Section 2.2 of the Traffic Engineering Manual.
Signs to 20/70 visual acuity
Stop, Yield, and Warning Signs Designed to 20/70 Visual Acuity
mini-sun See Section 2.39 of the Traffic Engineering Manual
Improvements in Work Zones
Work Zone Improvements
mini-sunPavement marking and RPM standards.
mini-sunBetter maintenance of devices.
reflectorized backplates on traffic signal
Back plates on Traffic Signals
mini-sunBack plates required on all new traffic signals every approach.
mini-sunRetro-reflective border (shown in picture) required for all back plates where the posted speed is 45 mph or greater.
mini-sunRetro-reflective border encouraged on all back plates where the posted speed is less than 45 mph.
mini-sun See Chapter 7.4.17 of the Plans Preparation Manual


To Improve Pedestrian Features at Intersections

Special Emphasis Crosswalk
Use of Refuge Islands

Use of Special Emphasis Crosswalks (Revised to Ladder Crosswalk 2/09)
mini-sun See Design Standards Index Number 17346B.
Slower Walk Speeds
R10-3d pedestrian educational plaque
Use of Pedestrian Signal Educational Plaque
mini-sun See Page 1-131 of the FHWA's Standard Highway Signs Manual.
Countdown Pedestrian Signal
Use of Countdown Pedestrian Signals
mini-sun See Section 3.9 of the Traffic Engineering Manual.
Countdown Ped Educational Plaque (R10-3e)
Countdown Pedestrian Signal Educational Plaque (R10-3e)
mini-sun See Page 1-132 of the FHWA's Standard Highway Signs Manual.


To Provide Advance Notification

Advance Street Name Sign
Use of Advance Street Name Signs at Signalized Intersection
mini-sun See Section 2.37.5 of the Traffic Engineering Manual.
advance street name at non-signalized
Use of Advance Street Name Signs at Non-signalized Intersection
mini-sunSee Section 2.37.6 of the Traffic Engineering Manual.
advance street name plaque on intersection warning sign
Use of Advance Street Name Plaques on Intersection Warning and Advance Traffic Control Signs
mini-sun See Section 2.37.7 of the Traffic Engineering Manual.
Advance Stop Ahead Sign
Use of Advance Warning Signs (Stop, Yield, and Signal Ahead)


For additional information on these roadway improvements, contact Gail Holley at gail.holley@dot.state.fl.us