R.I. Gen. Laws § 24-8-33: Connection into drainage system.

It shall be unlawful for any person, firm or corporation to make any connection into a state road drainage system, or to drain or pump water onto the travelled surface of a state highway without first obtaining written permission from the director of the state department of transportation. The director of the department of transportation is empowered to make and file rules and regulations which prescribe the conditions under which the permission shall be granted. The director shall render a decision within ninety (90) days of receipt of the request for permission. Any person, firm, or corporation convicted of violating this section shall be fined one hundred dollars ($100).