Implementation
Table 6-1: Potential Countermeasures to Improve Safety and Concept Costs COUNTERMEASURE
DESCRIPTION
Concrete or Pavement Construction (low cost options use pavement markings) Gateway Treatments Street Spanning Structure Gateway Treatments Large Sign Modern Roundabout Concrete curbs, truck aprons, landscape Traffic Calming Circle Pavement markings and 'buttons' Hardened Centerlines Raised rubber centerline Curb Ramp Concrete curbs, sidewalk, yellow ramp Corner Radius Reduction or Truck Apron Concrete curbs and sidewalk Concrete Sidewalk Concrete curb and sidewalk Raised Crosswalk or Speed Table Speed table Pedestrian Refuge Island (FHWA or Portland style) Concrete curbs and landscaping Crossing Island Concrete curbs and sign(s) Bulb Out / Curb Extensions Concrete curbs and landscaping Bulb Out / Turn Wedge Pavement markings with 'buttons' Chicanes / Roadway Curvature Concrete curbs and landscaping Chicanes / Roadway Curvature Pavement markings and 'buttons' Pavement Markings High Visibility Crosswalks Continental spaced to avoid vehicle wheels Bicycle lanes One stripe both sides of road Bicycle vs Vehicle Conflict Markings Green w/ white edges, 50 FT length Buffered Bicycle lanes (cycle tracks) 2 FT buffer, crosshatch (both side of road) Road Diets and Lane Width Reductions 6 lane stripes for 5 lanes Advisory Bicycle Lanes Bicycle lane stripes both sides of road Bicycle Priority Lanes Bicycle lane stripes both sides of road Left Turn Lane Pavement marking for added vehicle lane Parking Restricted at Crossings / Daylighting Pavement marking and 'buttons' Signs or Signal Infrastructure Pedestrian Countdown Signal Heads Added to existing signal structure Pedestrian Detector (w/ regular maintenance) Added to existing signal structure Pedestrian Signal - Upgrades Added to existing signal structure Pedestrian Signal - New Mast, power, concrete median, crosswalk Flashing Yellow Arrows, if signal timing not changed Signal head replacement, signal timing mods. Add NoRTOR sign / display Sign attached to existing signal structure Electronic Feedback Signs Speed reader board on trailer Electronic Feedback Signs Speed reader board on post (solar) Rectangular Rapid Flashing Beacons (RRFB) Single post with signs and lights (solar) Pedestrian Hybrid Beacons (PHB) Mast, power, concrete median, crosswalk Reflective border on signal heads 8 signal heads Street Lighting Fixture and power lines as needed Target Speeds and School Speed Zones Speed limit signs. Signal Timing Adjustments Left Turn Lane, Protected Left Turn Phase mods. Signal timing modification Signal Changes at Intersections Adjust signal timing in Traffic Control Cabinet Leading Pedestrian Intervals Adjust signal timing in Traffic Control Cabinet Change Signal Timing to Protected Phases Adjust signal timing in Traffic Control Cabinet Coordinate signals to manage speeds, calm traffic Adjust signal timing in Traffic Control Cabinet Reduce cycle, queue, and pedestrian delay Adjust signal timing in Traffic Control Cabinet
UNIT COST
UM
06
INTERSECTION MID-BLOCK OR INFLUENCE
$115,000 $35,000 $500,000 $33,000 $2,500 $7,000 $15,000 $410 $30,000 $37,000 $20,000 $37,000 $2,500 $22,000 $2,500
EA EA EA EA EA EA EA LF EA EA EA EA EA EA EA
X X X X X
$5,500 $10 $6,000 $25 $30 $10 $20 $2,500 $2,500
EA LF EA LF LF LF LF EA EA
X
$2,000 $1,500 $1,200 $198,000 $7,900 $500 $16,000 $8,000 $25,000 $198,000 $2,400 $8,000 $800
EA INT EA EA INT EA EA EA EA EA INT EA EA
X X
$1,500 $1,500 $1,000 $1,500 $10,000 $1,500
INT INT INT INT INT INT
X X X X X X
Notes: Unit Costs are escalated from original cost year to potential construction year of 2022, INT=Intersection, LF=Linear Feet, EA=Each, FT=Feet Cost data sources: https://www.pedbikeinfo.org/cms/downloads/Countermeasure%20Costs_Report_Nov2013.pdf http://katana.hsrc.unc.edu/cms/downloads/Costs-for-Pedestrian-Bicycle-Infrastructure-Improvements.xlsx
X X X X X
X
X X
X X
X X
X X X X X X X X X X X X X X X
X X X X X X X X
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