This is the consent decree for RIDOT.  The RIDOT MS4 is an expansive system, with more than 25,000 catch basins and 3,800 outfalls that extend over 3,300 lane miles, approximately one-third of which are divided highways, the rest are rural and urban surface roads; about one-half of the system is within the MS4 Permit Area. 

• Consent Decree Rhode Island Department of Transportation Settlement (PDF)(134 pp, 3 MB)