Benefit -Cost Analysis The estimated cost - benefit result for Pennsylvania Avenue is 30.90 (Table 100 ). Table 101 summarizes the estimated improvement costs by type and Table 102 summarizes the benefits (dollars) resulting from the implementation of the proposed safety countermeasures.
Table 100: Pennsylvania Avenue Corridor – Final Cost- Benefit Ratio Benefits Costs
Final Benefit / Cost Ratio
$109,940,000
$3,558,400
30.90
Table 101: Cost Results for Pennsylvania Avenue Corridor
Annual Maintenance Cost
Service Life
Construction Cost
Improvement Type
Cost (Each)
Quantity
Install Detectable Warning Strips Install Rectangular Rapid Flashing Beacon Consolidate access points
$500.00
2.00
25
-
$1,000.00
$15,011.00
4.00
10
$7,304.40
$60,044.00
$6,720.00 $1,852,000. 00
4.00
25
-
$26,880.00
Remove Slip Lane
0.06
25
-
$114,288.51
Install Curb Radius Reduction
$10,000.00
4.00
25
-
$40,000.00
Curb Extension
$10,000.00
30.00
25
-
$300,000.00
Implement leading pedestrian intervals
$200.00
6.00
10
$120.00
$1,200.00
Install additional lighting Install Pedestrian Signs Install advance signal, stop or yield signs Install buffered bike lanes Install continuous sidewalks
$5,331.30
10.00
1 5
$2,765.65
$53,313.00
$100.00
1.00
6
$15.00
$100.00
$100.00
17.00
6
$255.00
$1,700.00
$270,500.00
1.00
4
$67,625.00 $23,331.56
$270,500.00 $233,315.62
$134.86 $30.00
1730.00
10
Install Yield Bar
11.00
4
$82.50
$330.00
Install median pedestrian refuge
$4,100.00
6.00
25
-
$24,600.00
96
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