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SHARED	SPACE:		
Measuring	the		
BOUNDARIES			
&	
Assessing	the		
EFFICIENCIES	Benjamin	W.	Wargo		
University	of	Connecticu...
What	is	Shared	Space?
“There	is		
NO	SUCH	THING		
as	a		
DEFINITIVE	SHARED	SPACE	
design.”	
-UK	Department	for	Transport
GRAZ,	AUSTRIA	
Photo	Credit:		Pimms	Transfer
DRACHTEN,	NETHERLANDS	
Photo	Credit:		Streets	Without	Cars
NORMAL,	IL,	UNITED	STATES	
Photo	Credit:		Joe	Tulley
Photo	Credit:		Martin	Cassini	
POYNTON,	UNITED	KINGDOM
BERN,	SWITZERLAND	
Photo	Credit:		Polytropos
LONDON,	UNITED	KINGDOM	
Photo	Credit:		NY	Conference	of	Mayors
How	Do	The	Spaces	Vary?	
SENSE	OF	PLACE	
Few	
Women,	
Few	Groups	
(1)	
Many	
Women,	
Many	Groups	
PEDESTRIAN	COMFORT	
Few	...
How	Do	The	Spaces	Vary?	
VEHICLE	TRAFFIC	DOMINANCE	
Higher		
Vehicle	Speeds	
(4)	
Lower		
Vehicle	Speeds	
ECONOMIC	REGENER...
Demarcation	and	Interaction	
Graph	Adapted	from	UK	DfT
Studied	BeneDits	of	Shared	Space	
Reduces	Vehicle	Speeds	
Improves	Aesthetics		
and	Sense	of	Place	
Can	Increase	Safety	
C...
Bern,	Switzerland
Simulating	the	Shared	Space
Shared	Spaces	 Conventional	Intersections
Shared	Spaces	 Conventional	Intersections
Major	Inputs	
’s/Hour	
’s/Hour	
No.	of
Study	Locations	
270	
Ped/hr	
137	
Ped/hr	
1536	
Ped/hr	
150	Ped/hr	
514	
Ped/hr	
1125	Ped/hr	
81	
Veh/hr	
600	
Veh/hr	
62...
Expected	Vehicle	Delay
Signalized	Intersection	
0.70	
1.12	
0.86	
0.96	
0.27	
1.26	
140	
15	
Sec/Veh	
49	Sec/Veh	
6	Sec/Veh	
171	
Sec/Veh	
4	
Sec...
All-Way	Stop	Intersection	
0.24	
1.00	
1.00	
1.00	
0.38	
0.76	
213	
72	
Sec/Veh	
346	Sec/Veh	
8	Sec/Veh	
24	
Sec/Veh	
4	
S...
Conventional	Roundabout	
0.09	
0.81	
1.69	
0.84	
0.20	
0.93	
27	
346	
Sec/Veh	
28	Sec/Veh	
7	Sec/Veh	
61	
Sec/Veh	
4	
Sec/...
Pedestrian	Wait	Times	
0.4	
Seconds	
0.7	
Seconds	
0.2	
Seconds	
0.2	Seconds	
0.1	
Seconds	
0.2	Seconds	
101	
Pedestrians	...
Conventional	Intersections:	
Average	Pedestrian	Wait	Times	
10.7	
Seconds	
2.1	
Seconds
What’s	Causing	the	EfDiciency?	
-	Seamless/Efficient	
Pedestrian-Vehicle	
Interactions	
-	Less	Stop-and-Go	
Vehicle	Behavi...
Vehicle	Speeds	
10	
mph	
6	
mph	
9	
mph	
5	mph	
6	
mph	
5	mph	
64	
Vehicles	
53	
Vehicles	
46	
Vehicles	
27	Vehicles	
20	
...
Vehicle	Speeds
Percent	Vehicles	Moving	
Continuously	
87	%	
52	%	
66	%	
63	%	
89	%	
85	%	
STOP
Recap	of	Shared	Space	
Reduces	Vehicle	Speeds	
Improves	Aesthetics		
and	Sense	of	Place	
Can	Increase	Safety	
Can	Increase...
Continued/Future	Research	
-	How	accurate	are	the		
HCS	predictions?	
-	Can	we	conduct	the	same	
analysis	in	Vissim?	
-	Wh...
Evaluating	Accuracy	of	HCS
Evaluating	Accuracy	of	HCS
Understanding	the	EfDiciencies	
Koenitz	Strasse	Hillside	Road	
VS.
Understanding	the	EfDiciencies	
U
K
U
Q
Q
K
U
K
U
Q
Q
K
VS.
BenjaminWargoThesisDefense
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BenjaminWargoThesisDefense

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BenjaminWargoThesisDefense

  1. 1. SHARED SPACE: Measuring the BOUNDARIES & Assessing the EFFICIENCIES Benjamin W. Wargo University of Connecticut Master’s Thesis Defense Advisor: Norman Garrick November 16, 2015
  2. 2. What is Shared Space?
  3. 3. “There is NO SUCH THING as a DEFINITIVE SHARED SPACE design.” -UK Department for Transport
  4. 4. GRAZ, AUSTRIA Photo Credit: Pimms Transfer
  5. 5. DRACHTEN, NETHERLANDS Photo Credit: Streets Without Cars
  6. 6. NORMAL, IL, UNITED STATES Photo Credit: Joe Tulley
  7. 7. Photo Credit: Martin Cassini POYNTON, UNITED KINGDOM
  8. 8. BERN, SWITZERLAND Photo Credit: Polytropos
  9. 9. LONDON, UNITED KINGDOM Photo Credit: NY Conference of Mayors
  10. 10. How Do The Spaces Vary? SENSE OF PLACE Few Women, Few Groups (1) Many Women, Many Groups PEDESTRIAN COMFORT Few People Sitting, Few People Gathered (2) Many People Sitting, Many People Gathered EASE OF PEDESTRIAN MOVEMENT Pedestrians Crossing Only At Crosswalks (3) Pedestrians Crossing At Desire Lines LEAST SHARED SITES MOST SHARED SITES
  11. 11. How Do The Spaces Vary? VEHICLE TRAFFIC DOMINANCE Higher Vehicle Speeds (4) Lower Vehicle Speeds ECONOMIC REGENERATION Lower Property Values (5) Higher Property Values SAFETY More Accidents (6) Fewer Accidents LEAST SHARED SITES MOST SHARED SITES INCLUSIVE DESIGN Less Favorable User Opinions (7) More Favorable User Opinions
  12. 12. Demarcation and Interaction Graph Adapted from UK DfT
  13. 13. Studied BeneDits of Shared Space Reduces Vehicle Speeds Improves Aesthetics and Sense of Place Can Increase Safety Can Increase Ease of Use for Disabled Can Reduce Vehicle Delay Increases Walkability
  14. 14. Bern, Switzerland
  15. 15. Simulating the Shared Space
  16. 16. Shared Spaces Conventional Intersections
  17. 17. Shared Spaces Conventional Intersections
  18. 18. Major Inputs ’s/Hour ’s/Hour No. of
  19. 19. Study Locations 270 Ped/hr 137 Ped/hr 1536 Ped/hr 150 Ped/hr 514 Ped/hr 1125 Ped/hr 81 Veh/hr 600 Veh/hr 624 Veh/hr 680 Veh/hr 153 Veh/hr 383 Veh/hr 1 Entry Lane 1 Entry Lane 1 Entry Lane 1 Entry Lane 1 Entry Lane 1 Entry Lane
  20. 20. Expected Vehicle Delay
  21. 21. Signalized Intersection 0.70 1.12 0.86 0.96 0.27 1.26 140 15 Sec/Veh 49 Sec/Veh 6 Sec/Veh 171 Sec/Veh 4 Sec/Veh 6 Sec/Veh 16 Sec/Veh 10 Sec/Veh 1 Sec/Veh 8 Sec/Veh Predicted V/C Ratio 15 Sec/Veh Sec/Veh 11 Sec/Veh 134 Sec/Veh -1 Sec/Veh 39 Sec/Veh 5 Sec/Veh 163 Sec/Veh Predicted Delay Measured Delay Time Savings
  22. 22. All-Way Stop Intersection 0.24 1.00 1.00 1.00 0.38 0.76 213 72 Sec/Veh 346 Sec/Veh 8 Sec/Veh 24 Sec/Veh 4 Sec/Veh 6 Sec/Veh 16 Sec/Veh 10 Sec/Veh 1 Sec/Veh 8 Sec/Veh Predicted V/C Ratio 8 Sec/Veh Sec/Veh 4 Sec/Veh 207 Sec/Veh 56 Sec/Veh 336 Sec/Veh 7 Sec/Veh 16 Sec/Veh Predicted Delay Measured Delay Time Savings
  23. 23. Conventional Roundabout 0.09 0.81 1.69 0.84 0.20 0.93 27 346 Sec/Veh 28 Sec/Veh 7 Sec/Veh 61 Sec/Veh 4 Sec/Veh 6 Sec/Veh 16 Sec/Veh 10 Sec/Veh 1 Sec/Veh 8 Sec/Veh Predicted V/C Ratio 5 Sec/Veh Sec/Veh 1 Sec/Veh 21 Sec/Veh 330 Sec/Veh 18 Sec/Veh 6 Sec/Veh 53 Sec/Veh Predicted Delay Measured Delay Time Savings
  24. 24. Pedestrian Wait Times 0.4 Seconds 0.7 Seconds 0.2 Seconds 0.2 Seconds 0.1 Seconds 0.2 Seconds 101 Pedestrians 11 Pedestrians 82 Pedestrians 10 Pedestrians 132 Pedestrians 80 Pedestrians Average Time # Peds Observed
  25. 25. Conventional Intersections: Average Pedestrian Wait Times 10.7 Seconds 2.1 Seconds
  26. 26. What’s Causing the EfDiciency? - Seamless/Efficient Pedestrian-Vehicle Interactions - Less Stop-and-Go Vehicle Behavior - Low Vehicle Speeds
  27. 27. Vehicle Speeds 10 mph 6 mph 9 mph 5 mph 6 mph 5 mph 64 Vehicles 53 Vehicles 46 Vehicles 27 Vehicles 20 Vehicles 47 Vehicles Average Speed # Vehicles Observed LEVEL OF SHAREDNESS Least Shared Most Shared
  28. 28. Vehicle Speeds
  29. 29. Percent Vehicles Moving Continuously 87 % 52 % 66 % 63 % 89 % 85 % STOP
  30. 30. Recap of Shared Space Reduces Vehicle Speeds Improves Aesthetics and Sense of Place Can Increase Safety Can Increase Ease of Use for Disabled CAN REDUCE VEHICLE DELAY Increases Walkability
  31. 31. Continued/Future Research - How accurate are the HCS predictions? - Can we conduct the same analysis in Vissim? - Why are the shared spaces so efficient? - What if we observe the shared spaces under different conditions?
  32. 32. Evaluating Accuracy of HCS
  33. 33. Evaluating Accuracy of HCS
  34. 34. Understanding the EfDiciencies Koenitz Strasse Hillside Road VS.
  35. 35. Understanding the EfDiciencies U K U Q Q K U K U Q Q K VS.

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