TABLE 6-6: RECOMMENDED ASSIGNMENT GROUPS, FFS, LOS E CAPACITY, AND MODIFIED "BPR" PARAMETERS FOR OKI
  ROADWAY CLASSIFICATIONS
       Roadway Class        Codes                  Recommended Speeds, Capacity and v/c Ratios   Modified BPR
                                           New AsstFr. Flow LOS E  Max. V/C Ratios For LOS       S = So/(1+a * (V/C)^
                           Ad. ClasSp. Cap. Group   Speed  Capacity  A     B     C     D     E     a     b
Freeway, Short Upgrade, > 5      1      11       1      64    1400  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway, Short Upgrade, < 5      1      12       1      67    1600  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway, Long Upgrade, > 5%      1      13       1      62    1250  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway, Long Upgrade, < 5%      1      14       1      64    1500  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway, Rolling                 1      21       1      68    1800  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway, Downhill                1      22       1      69    1950  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway, level, Close Int.       1      31       1      65    1875  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway,Level, Long Int. Sp      1      32       1      69    1950  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Freeway, HOV                     1      41       7      70    2050  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Expressways, Ramp Control        2      11       1      57    1700  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Expressways, Signal Control      2      12       2      47    1380  0.70  0.83  0.88  0.94  1.00 1.950 8.160
Major Road, Sparse Int., Si      4      12       2      41    1160  0.70  0.83  0.88  0.94  1.00 1.950 8.160
Ramp, Fway-Fway                  3      11       2      48    1200  0.70  0.83  0.88  0.94  1.00 1.950 8.160
Ramp, On                         3      12       2      41    1000  0.70  0.83  0.88  0.94  1.00 1.950 8.160
Major Road, Sparse Int., No      4      11       2      42    1350  0.70  0.83  0.88  0.94  1.00 1.950 8.160
Major Road, Sparse  Int., 4      4      13       3      37     880  0.54  0.72  0.79  0.94  1.00 1.980 4.670
Ramp, Off                        3      13       4      33     910  0.67  0.81  0.86  0.96  1.00 1.960 7.180
Ramp, HOV                        3      14       8      42    1250  0.30  0.48  0.71  0.88  1.00 0.200 8.000
Major Road, Dense Int., Res      4      21       4      32     840  0.67  0.81  0.86  0.96  1.00 1.960 7.180
Major Road, Dense Int., Acc      4      22       4      36     930  0.67  0.81  0.86  0.96  1.00 1.960 7.180
Major Road, Dense Int., Blo      4      23       4      34     880  0.67  0.81  0.86  0.96  1.00 1.960 7.180
Major Road, CBD                  4      31       4      24     490  0.67  0.81  0.86  0.96  1.00 1.960 7.180
Major Road, Dense Int., No       4      24       4      29     780  0.67  0.81  0.86  0.96  1.00 1.960 7.180
Minor Road, Signals, Sparse      5      11       5      29     560  0.60  0.75  0.80  0.92  1.00 2.590 6.120
Minor Road, Signals, Dense       5      12       5      26     480  0.60  0.75  0.80  0.92  1.00 2.590 6.120
Minor Road, Signals, Interm      5      13       5      28     520  0.60  0.75  0.80  0.92  1.00 2.590 6.120
Centroid Connector, CBD/Urb      6      11       6      15
Centroid Connector, Suburba      6      12       6      20
Centroid Connector, Rural        6      13       6      25