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Tradeoffs

Shows each safety measure and whether they satisfy the design factor in consideration.  

Design Chicane Speed Lump Speed Table Center Lines Path 
Expected Speed Reduction (MPH) 3-9 5-7 6-9 0.5-3 N/A 
Emergency Vehicle/  Large Vehicle Accessibility Yes, but not ideal Yes Yes Yes N/A 
Bicycle Accommodation Yes Yes No Yes No 
Invasive? Only with large greenery No No No Yes, but not necessarily into the street 
Cost ($) 10,000-16,000 for 3 6,000 for 3  5,000-15,000 per table $9,500 1,200 
Notes Can make aesthetically pleasing. Can damage cars. Can be avoided Gentle Transition Easily recognizable Gets pedestrians off the road