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The Miasma Beach Transportation Model
COST ESTIMATES FOR NETWORK ALTERNATIVES
Cost Estimation
Table 11 provides a summary of infrastructure improvement costs which must
be utilized in your cost estimates. The figures provided are Present Value estimates
of capital, operating, and maintenance costs.
Table 11. Future Infrastructure Improvement Cost Estimates
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Current Road Type Freeway Primary Major Minor Collect Local
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Roads ($ per lane-mile for 2-way links):
-----
New facility: 500,000 300,000 225,000 150,000 100,000 50,000
Additional lane: 300,000 200,000 100,000 100,000 50,000 25,000
Upgrade Facility Type: 600,000 200,000 200,000 100,000 50,000 na
Intersections ($, one per link):
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New Intersection: 600,000 100,000 100,000 75,000 75,000 25,000
Upgrade Intersection: 500,000 200,000 100,000 100,000 50,000 na
Grade Separate at Fwy: na 300,000 300,000 150,000 150,000 na
*** Use cost for the more expensive facility type ***
Maintenance ($ per lane-mile, after 10 years)
===========
Existing Facility: 100,000 80,000 70,000 50,000 20,000 10,000
Rehabilitation ($ per lane-mile, after 20 years)
==============
Existing Facility: 250,000 150,000 110,000 75,000 50,000 25,000
If facility is not upgraded, apply maintenance fees after 10 years and
rehabilitation fees after 20 years. No penalties apply to M&R.
Bridges
=======
Link incorporating a bridge increases total link, maintenance, and rehabilitation
costs by a factor of two (assume bridge runs the full length of the link)
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Sensitive Areas Construction in or adjacent to Miasma Wetlands (between
--------------- (between 3rd and 4th Streets, from south of Coast Hwy to
Mountain Blvd) increases all construction costs by 20%.
Construction along the beach increases costs by 10%.
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Bus Transit: $2,000 per person-mile for an O-D pair; decrease O/D
----------- demand by 1-20% for each O-D pair with bus service added.
Justify the percent reduction, convert OD vehicle-trips
to person-trips on transit, convert to person-miles, and
use new OD matrix in assignment.
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Truck Prohibition: State Route 1 thru Miasma Beach is operated & maintained
----------------- by the State DOT. The State can divert truck thru-traffic.
Cost estimates depend on consultant proposal.
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Demand Management Ridesharing, parking policies, and other strategies must
----------------- provide cost and traffic reduction justification.
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HELP: Cost Estimation for Design Alternatives
For assistance in estimating design alternative costs,
Click HERE.
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EXAMPLE: Cost Estimation for Design Alternatives
For assistance in estimating design alternative costs,
Click HERE.
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