🚀 go-pugleaf

On 14 Apr 1994 00:23:09 GMT, awong@hal.COM (Anthony Wong (or LM)) said:

> 	An more interesting, a lot of interstate highways do not even go
> beyond the limits of one city.  Apparently they are called interstate
> because they are funded by the federal government, which is an "interstate"
> agency.

The Interstate System was created by the 1944 Federal-Aid Highway act, which
authorized 40,000 miles nationally. California was initially allocated 1,938
miles. Later allocations in 1955 brought the total milage to 2,135 miles.
The 1956 Federal-Aid Highway act authorized an additional 1,000 miles
nationally; California received none of this. The 1968 Highway Act added
another 1,500 miles. Through later reallocations, remeasurements, and
various transfers (Howard-Cramer Amendment), the net total milage of the
42,500 national miles of interstate allocated to California is 2,311 miles.
This milage is called "chargeable Interstate".  All of this milage is/was
eligible for construction with regular Interstate funds. 

Section 139, Title 23 of the US Code allows for the designation of certain
highways as Interstate routes in addition to that which is "chargeable".
These highways are not eligible for regular Interstate Completion funds and
are called "Non-chargeable Interstates". They are all Federal-aid Primary
highways that meet the criteria for Interstate routes.  They are signed as
interstates to provide continuity and connectivity for motorists and
truckers. There are two types:

  139(a) milage are routes that already meet Interstate standards and can
  be immediately signed as interstates once the proposed number is approved.

  139(b) milage is designated as a future part of the system once Interstate
  construction standards are met. It cannot be signed as interstate until 
  then.

Daniel

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