TABLE 1
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 =