--- AASHTO Three Centered Asymmetrical (English) -- Exhibit 9-20 -- 2001 -----

Deflection:	0<def<=30
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       ---     ---     ---       ---      ---
WB-50       ---     ---     ---       ---      ---
WB-62       ---     ---     ---       ---      --- 
WB-67       300     2.0     175       550      4.5

Deflection:	30<def<=45
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       ---     ---     ---       ---      ---
WB-50       ---     ---     ---       ---      ---
WB-62       120     3.0     140       500      8.5
WB-67       250     1.0     125       600      6.0

Deflection:	45<def<=60
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       ---     ---     ---       ---      ---
WB-50       200     2.0      75       275      7.0
WB-62       110    10.0     100       220     12.5
WB-67       250     1.0     125       600      6.0

Deflection:	60<def<=75
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       120     2.0      45       195      6.5
WB-50       150     2.0      50       225     10.0
WB-62       140     5.0     100       540     12.0
WB-67       200     1.0      80       600      10.0

Deflection:	75<def<=90
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       120     2.0      40       200      6.5
WB-50       120     2.0      40       200     10.0
WB-62       160     6.0      70       360     10.0
WB-67       200     1.0      70       600     11.0

Deflection:	90<def<=105
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       100     2.0      55       200      8.0
WB-50       150     2.0      40       210     10.0
WB-62       360     4.0      75       600     10.5
WB-67       200     1.0      65       600     11.0

Deflection:	105<def<=120
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       100     2.0      30       180      9.0
WB-50       150     2.0      35       220     12.0
WB-62        80    24.0      55       520     17.0
WB-67       200     2.0      60       600     12.5

Deflection:	120<def<=135
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40       100     3.0      25       180     13.0
WB-50       130     3.0      30       185     14.0
WB-62       100    14.0      60       640      7.0
WB-67       200     2.0       60       600     12.5

Deflection:	135<def<=150
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40        90     1.0      25       160     12.0
WB-50       120     3.0      30       180     14.0
WB-62       140     8.0      60       560     10.0
WB-67       200     7.0      55       600     16.4

Deflection:	150<def<=180
---------------------------------------------------------------
**P**       ---     ---     ---       ---      ---
**SU*       ---     ---     ---       ---      ---
WB-40        85     6.0      20       150     13.0
WB-50       100     6.0      25       180     13.0
WB-62       100    15.0      55       900     15.0
WB-67       100     6.0       55       400     15.0
---------------------------------------------------------------