Chapter 12.04 Appendix 2 - Tables

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Class
min. r.o.w.
design capacity A.D.T.
design speed
grade
allowed surface
min.
max.
Expressway
150
20--50,000
60
0.5
6
pave.
Principal Arterial
120
12--28,000
60
0.5
6
pave.
Minor Arterial
100
5--10,000 two lane 10--18,000 four lane
50
0.5
6
pave.
Major Collector
80
2--5,000
45
0.5
8
pave.
Minor Collector
60
1250--2500
40
0.5
8
pave.
Local Access
60
500--1250
30
0.5
10
pave.
Local Minor Residential
60
0--500
30
0.5
10
pave. gravel*
Local Industrial
70
0--1250
30
0.5
8
pave.
Local Commercial
70
0--1250
30
0.5
6
pave.
 
* subject to the restrictions and conditions listed in Article 6

TABLE 2








TRIAL BASE THICKNESS, DBS (INCHES)_____________
SERVICEABILITY CRITERIA
RUTTING CRITERIA
PSI = ________________________
RD (INCHES) ________________
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
SEASON (ROADBED MOISTURE CONDITION)
ROADBED RESILIENT MODULUS MR (psi)
BASE ELASTIC MODULUS EBS (psi)
PROJECTED 18 -- KIP ESAL TRAFFIC W18
ALLOWABLE 18 -- KIP ESAL TRAFFIC (W18)PSI
SEASONAL DAMAGE W18/(W18)PSI
ALLOWABLE 18 -- KIP ESAL TRAFFIC (W18)RUT
SEASONAL DAMAGE W18/(W18)RUT
WINTER (FROZEN)
             
SPRING/THAW (SATURATED)
             
SPRING/FALL (WET)
             
SUMMER (DRY)
             
 
TOTAL
 
TOTAL
 
TOTAL
 
TRAFFIC =
 
DAMAGE =
 
DAMAGE =