Asphalt Pavements are

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Asphalt Pavements are ABSOLUTELY The Smart
Choice
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Uses for Asphalt
Airports
Highways
Intersections
Industrial
Recreational
3
Paved Miles by Surface Type
Theres a reason that 94 of all paved surfaces
are ASPHALT!
6 PCC
94
Asphalt
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Asphalt Pavements Are

• Smooth
• Quiet
• Economical
• Safe
• 100 recyclable

• Environmentally friendly
• Versatile
• State-of-the-art
• High-visibility markings
• Less user delay

• Easy to maintain at a high level of
  serviceability
• Resistant to de-icing chemicals

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Asphalt Pavements Are
SMOOTH
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Ride Quality
Payment IRI Excellent lt35 Very Good
(Bonus) 35.1 - 45 Good 45.1 -
55 Acceptable 55.1 - 70 Unacceptable
(Penalty) 70.1 - 95 Must Correct gt95
Draft Pa DOT spec
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Asphalt Pavements are Smooth
The ability to pave uninterrupted and the absence
of joints every 20 feet result in
SMOOTH pavements
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Pavement Condition Index
NCHRP 1-31 estimated 15 increase in pavement
life for 50 increase in smoothness
Pavement
Condition
Index
15
YEARS
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Sheldon G. Hayes Award Winner
Smooth pavements, such as the recent Sheldon G.
Hayes award winner last longer, are safe, save
gasoline, decrease wear and tear on vehicles and
are enjoyable to drive.
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At WesTrack
The average IRI number decreased by 10,
resulting in a 4.5 increase in miles/gallon
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Asphalt Pavements Are Safe
SAFE
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Asphalt Pavements are Skid Resistant
Inherently, some aggregates offer better skid
resistance over a longer period of time. Asphalt
pavements allow the specifying agency to choose a
skid resistant aggregate based on traffic volume.
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Asphalt Pavements are Skid Resistant
The use of Open Graded Friction Course (OGFC)
reduces tire spray and hydroplaning improving
visibility and skid resistance.
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Asphalt Pavements
Provide visibility of pavement markings
VS
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Asphalt Pavements Are
ECONOMICAL
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Asphalt Pavements are Durable
A review of Ohios Interstate compared asphalt
and pcc pavements ranging in age from 25 to 34
years old. The asphalt pavements were lower in
initial costs with an ever widening gap
throughout the life of the pavement. An
important note is the asphalt pavements have
provided 25 to 34 years of service without the
need for reconstruction or rehabilitation.
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Ohio Compares HMA and PCC
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Asphalt Pavements are Durable
Clearly, the majority of the AC overlays
included in the LTPP database have served for 15
years or more before the load related and
non-load-related distresses became sufficient to
require rehabilitation.
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Asphalt Pavements are Durable
Florida Reported
Initial Annual Maintenance HMA
544,981 132 PCC 765,729
261
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Asphalt Pavements are Durable
Vermonts Rt. 7 27 years without an overlay
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Asphalt Pavements and Local Economy
States have more HMA contractors than pcc
contractors thus money spent on HMA pavements are
more likely to remain in the local economy.
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Asphalt Pavements Can Be
Constructed Quickly And Efficiently
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Constructed Quickly and Efficiently
Newark Airport
115,000 tons in 15 days
11,000 tons in 24 hours
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Constructed Quickly and Efficiently
ASPHALT
VS.
CONCRETE
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Constructed Quickly and Efficiently
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Asphalt Can Reduce User Delay by 80
Off-peak paving ( Urban Interstate )
Pa DOT Hourly Distribution
1.3
12 - 1
12 - 13
5.5
0.9
1 - 2
13 - 14
5.5
0.8
14 - 15
6.1
2 - 3
0.8
3 - 4
15 - 16
7.3
1.1
4 - 5
16 - 17
7.8
2.1
5 - 6
17 - 18
7.2
6 - 7
4.7
18 - 19
5.4
7 - 8
6.4
19 - 20
4.3
5.6
20 - 21
3.7
8 - 9
3.2
9 - 10
5.1
21 - 22
2.6
10 - 11
5.2
22 - 23
2.0
11 - 12
5.4
23 - 24
22.5
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Can Reduce User Delay by 80
Ability to Mill and Pave in Off-Peak Hours
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The Stealth Contractor
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The Stealth Contractor
Pittsburghs Parkway West
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The Stealth Contractor
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Asphalt Pavements are Quiet
Shhhhh!
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NCHRP 268
Conclusions In general, when dense-graded asphal
t and PCC pavements are compared, the
dense-graded is quieter by 2 to 3 dB(A)
A 3dB(A) reduction corresponds to - doubling
the distance (line source) - reducing the
traffic volume by 50 - reducing the traffic
speed by 25
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Roads Bridges Jan. 1989
Where traffic noise is just loud enough to
justify building noise barriers to protect
adjoining homes and businesses, the substitution
of an open-graded wearing course can reduce the
noise to an acceptable level. The cost is about
1/8 of a noise barrier on one side of the
highway, or 1/16 on both sides of the highway.
Not only does this technique save tax dollars,
but the road is environmentally and aesthetically
superior.
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Asphalt Pavements Are
Environmentally Friendly
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Environmentally Friendly
California has been specifying asphalt liners for
water containment facilities since the 1950s
After 18 months in the asphalt-lined pond the
salmon are released. In Oregon they have had
good results rearing quality fish in the
asphalt-lined ponds
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Asphalt Pavements Are
100 Recyclable
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100 Recyclable
Asphalt Pavements are 100 Recyclable AND the
Surprise Leader in Recycled Materials
Recycling Rates Asphalt pavement 80 Aluminum
cans 60 Newsprint 56 Plastic
bottles 37 Glass bottles 31 Magazines 23
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100 Recyclable

• Recycling is unique to asphalt pavements.
• Results in an economic savings
• Conserves natural resources
• - energy
• - aggregate
• - asphalt cement

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Recycle (HMA) or Landfill (PCC)
or
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Asphalt Pavements Are
Versatile
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Asphalt Pavements are Versatile
Ability to Rubblize worn out pcc pavements and
rehabilitate quickly and efficiently with hot
mix asphalt.
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Asphalt Pavements are State-of-the-Art
Strategic Highway Research Program

• 5 Years, 150 million
• asphalt (50 million)
• cement and concrete
• long term pavement performance
• pavement effectiveness
• bridge protection
• snow and ice control

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Superpave
SHRP Asphalt Binder Spec

• Grading System Based on Climate

Performance Grade
Min pavement design temp
PG 64-22
Average 7-day max pavement design temp
Superpave Tonnage - of U.S.
100
90
80
80
70
60
60

50
41
40
30
20
20
4
1
10
0
1996
1997
1998
1999
2000
2001
YEAR
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Asphalt Pavements Are
State-of-the-Art
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Educational Opportunities
NCAT
University Professor Training
NATC
Technician Training
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Funding for Research
NCAT Test Track
NATC
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Asphalt Pavements
Allow for stage construction
48
Asphalt Pavements
Are not affected by de-icing materials
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Asphalt Pavements Are
Easy to Maintain at a High Level of
Serviceability
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Asphalt Pavements Are
Convenient when making utility cut repairs
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Asphalt Pavements Are
Architect Friendly
Historical areas, cross-walks, driveways, etc.
have the option to choose a variety of brick
patterns in varying colors
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Asphalt Pavements Are
BEAUTIFUL !
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No wonder 94 times out of 100 The Smart Choice
is Hot Mix Asphalt
Thank You!