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 = |