(c) Apportionment criteria shall be based on the verified need to correct pollution problems related to the road and shall include consideration of the following:
- (1) The total number of miles of dirt and gravel roads maintained by local municipalities or State agencies that are open to the public during any period of the year.
- (2) The total miles of dirt and gravel roads within watersheds protected as of November 1996 as exceptional value or high quality waters of this Commonwealth.
- (3) Allowances for the local costs of limestone aggregate.
- (4) The commitments of grant applicants to comply with the nonpollution requirements established.
- (5) Other factors determined by the Commission to be appropriate.