It appears RIDOT, unlike MassDOT, is able to admit its plans for their exit number conversion project. Link to article by Providence TV station:
http://wpri.com/2016/03/29/ri-set-to-renumber-all-its-highway-exit-signs/
The news report stated RIDOT hadn't yet supplied a list of the new exit numbers, but since the RIDOT website has a list of interstate exits that include the closest milepost, I don't think it would be too hard to come up with a probable list. So here's mine for I-95, I-195 and I-295 based on RIDOT's exit lists:
I-95
Exit 1 RI 3 stays Exit 1
Exit 2 Alton Rd becomes Exit 5
Exits 3A/B RI 138 become Exits 8A/B
Exit 4 RI 3 (NB) becomes Exit 10
Exits 5A/B RI 102 becomes Exits 14A/B
Exit 6 RI 3 becomes Exit 19
Exit 6A Hopkins Hill Rd becomes Exit 20
Exit 7 New London Turnpike becomes Exit 22
Exits 8A/B RI 2 become Exits 24A/B
Exit 9 RI 4 (SB) becomes Exit 25
Exits 10A/B RI 117 become Exits 27A/B
Exit 11 I-295 (NB) becomes Exit 28 as does Exit 12 (SB) RI 113 to I-295 North
Exit 13 for the TF Green Airport becomes Exit 30
Exit 14 RI 37 becomes Exit 31
Exit 15 Jefferson Blvd. becomes Exit 32
Exit 16 RI 10 becomes Exit 33
Exit 17 US 1/Elmwood Ave (SB) becomes Exit 34 (this is fudged both 16 and 17 are at Mile 34 according to RIDOT)
Exit 18 US 1A/Thurbers Ave. becomes Exit 35
Exit 19 I-195 East (NB) becomes Exit 36 as does Exit 10 Eddy St. (SB)
Exit 20 Point St (NB) and I-195 East (SB) become Exit 37A
Exit 21 Broadway/Atwells Ave becomes Exit 37B
Exit 23 RI 146 (NB) and RI 7 (SB) become Exit 38
Exit 24 Branch Ave. becomes Exit 39
Exit 25 US 1/RI 126 becomes Exit 40
Exit 26 RI 122 becomes Exit 41
Exit 27 George St becomes Exit 42 (42A NB)
Exit 28 RI 114 (NB) becomes Exit 42B
Exit 29 US 1/Broadway becomes Exit 43A
Exit 30 Roosevelt Ave. becomes Exit 43B
I-195
Exit 1A Point St (WB)stays Exit 1A
Exit 1B Eddy St., (WB) stays Exit 1B
Exit 1 India St./Gano St. (EB) stays Exit 1
Exit 2 South Main St. (WB) becomes Exit 1C
Exit 3 Gano St., India Point (WB) becomes Exit 2A
Exit 4 U.S. Rte. 44/Taunton Ave. (EB) becomes Exit 2A
Exit 5 RI 103/Warren Ave. becomes Exit 2B
Exit 6 RI 103/Broadway, becomes Exit 3
Exit 7 RI 114 (EB) becomes Exit 4
Exit 8 US 6, US 1A, RI 114 (WB) becomes Exit 4
I-295
(I-95 not listed as an exit)
Exit 1 RI 113 becomes Exit 1A
Exit 2 RI 2 becomes Exit 1B
Exit 3 RI 37 (To RI 2) Stays Exit 3
Exit 4 RI 14 becomes Exit 5
Exit 5 Scituate Ave. becomes Exit 8
Exit 6 US 6 East becomes Exit 10A
Exit 6C US 6 West, US 6A East becomes Exit 10B
Exits 7A/B US 44 become Exits 13A/B
Exits 8A/B RI 7 become Exits 16A/B
Exits 9A/B RI 146 become Exits 19A/B
Exit 10 RI 122 becomes Exit 21
Exit 11 RI 114 becomes Exit 22