Layer Estimates:

Layer: State_Interchanges (ID:0)
Count: 401
Extent:

XMin: -124.684217678138
YMin: 41.9695938716452
XMax: -116.818204024253
YMax: 46.1861123967764
Spatial Reference: 4269 (4269)

Layer: NSR_Interchanges (ID:1)
Count: 13
Extent:

XMin: -123.155459601844
YMin: 42.1982254387102
XMax: -121.774045929758
YMax: 45.6081135889823
Spatial Reference: 4269 (4269)

Layer: master (ID:2)
Count: 372825
Extent:

XMin: -124.79272752111
YMin: 41.9206688593607
XMax: -116.612214836403
YMax: 46.2727229899606
Spatial Reference: 4269 (4269)

Layer: State_Highway (ID:3)
Count: 21293
Extent:

XMin: -124.763656039846
YMin: 41.9216744262436
XMax: -116.775909994325
YMax: 46.2828906409305
Spatial Reference: 4269 (4269)

Layer: NonState_Highway (ID:4)
Count: 767338
Extent:

XMin: -124.802318315252
YMin: 41.9201935271928
XMax: -116.599383145403
YMax: 46.2811399168585
Spatial Reference: 4269 (4269)