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Purpose - PowerPoint PPT Presentation


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Purpose. “…to evaluate existing pedestrian crosswalks and determine if additional countermeasures are needed to facilitate a safe and convenient pedestrian crossing of S. Atlantic Avenue (CR A1A).”. Project Limits. Project Limits. Looking north at Sea Woods Blvd. Looking north from 17 th Av.

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Presentation Transcript
purpose
Purpose

“…to evaluate existing pedestrian crosswalks and determine if additional countermeasures are needed to facilitate a safe and convenient pedestrian crossing of S. Atlantic Avenue (CR A1A).”

crash summary
Crash Summary

Over 42 month period:

  • 66 total crashes
  • 1 fatality
  • 19 crashes with injuries (23 injuries)
  • 6 pedestrian/bicycle/motorcycle crashes
  • 53 daytime crashes, 13 nighttime crashes
  • 59 crashes with dry conditions, 7 crashes with wet conditions
vehicle gap size analysis
Vehicle Gap Size Analysis

Minimum gap required for safe pedestrian crossing at 20th Street(5 lanes/60 feet) – 27 seconds

“…pedestrians would have enough gaps to cross one direction at a time, but not both the directions in one stretch.”

qualitative assessment
Qualitative Assessment
  • With 14 marked crosswalks within the 3.05 mile project length, the spacing between them averages 1,240 ft
  • Sidewalks are not continuous throughout the project limits
  • Horizontal curve between 5th Av and 6th Av limits sight distance
  • Ponding occurs on crosswalks after rains
  • No paved shoulders from 27th Av to 7th Av; bicyclists and motorists must share lane or use sidewalk
  • 85th percentile speeds: 50 mph from city limit to 27th Av and 48 mph from 27th Av to 3rd Av
  • From observations in the field (and from gap study), it appears difficult for pedestrians to cross the 5-lane section
  • None of the existing mid-block crosswalks showed sufficient pedestrian crossing volume to warrant a mid-block crosswalk
beneficial measures
Beneficial Measures
  • Install continuous bicycle facilities along S. Atlantic Avenue
    • 4’ Paved Shoulders
    • 5’ Paved Shoulders
  • Install sidewalk along the east side of S. Atlantic Avenue between 27th Avenue and 7th Avenue
  • Install Rectangular Rapid Flashing Beacons (RRFBs)
  • Supply Pedestrian Flags
  • Install Median Refuge Islands
  • Install Advance Yield Markings with Signs
  • Install Additional Marked Crosswalks at Intersections
  • Install On-Street Parking
  • Reduce Vehicular Travel Speed