(a)

(1) In planning the system, the director shall consult with and seek the assistance of the Department of Transportation. The Department of Transportation shall plan and design those trail routes that are in need of construction contiguous to state highways and serve both a transportation and a recreational need.

(2) The Department of Transportation shall install or supervise the installation of signs along heritage corridors consistent with the plan element developed pursuant to this section; provided, however, that it shall neither install nor supervise the installation of those signs until it determines that it has available to it adequate volunteers or funds, or a combination thereof, to install or supervise the installation of the signs, or until the Legislature appropriates sufficient funds for the installation or supervision of installation, whichever occurs first. (

b) The element of the plan relating to boating trails and other segments of the system which are oriented to waterways shall be prepared and maintained by the Division of Boating and Waterways within the Department of Parks and Recreation pursuant to

Article 2.6 (commencing with

Section 68) of

Chapter of Division of the Harbors and Navigation Code. Those segments shall be integrated with the California Protected Waterways Plan developed pursuant to

Chapter of the Statutes of 1968, and shall be planned so as to be consistent with the preservation of rivers of the California Wild and Scenic Rivers System, as provided in

Chapter 1.4 (commencing with

Section 5093.50). (

c) Any element of the plan relating to trails and areas for the use of off-highway motor vehicles shall be prepared and maintained by the Division of Off-Highway Motor Vehicle Recreation pursuant to

Chapter 1.25 (commencing with

Section 5090.01). (

d) In planning the system, the director shall consult with and seek the assistance of the Department of Rehabilitation, representatives of its California Access Network volunteers, and nonprofit disability access groups to ensure that adequate provision is made for publicizing the potential use of recreational trails, including heritage corridors by physically disabled persons.