Route 100 is a numbered state highway running 9.3 miles (15.0 km) in Rhode Island. Route 100's southern terminus is at Route 102 in Glocester and the northern terminus is a continuation as Wallum Lake Road near Douglas, Massachusetts.

Route description

Route 100 takes the following route through the State:

• Chepachet (Town of Glocester): 0.8 miles (1.3 km); Route 102 to Burrillville town line
  • Money Hill Road
• Burrillville: 7.2 miles (11.6 km); Glocester town line to Massachusetts State line at Wallum Lake Road
  • South Main Street, Main Street, Church Street and Wallum Lake Road

Route 100 becomes an unnumbered road (Wallum Lake Road) in Massachusetts.

Major intersections

The entire route is in Providence County.

Location	mi	km	Destinations	Notes
Chepachet	0.0	0.0	Route 102 (Victory Highway)	Southern terminus
	0.8	1.3	Route 98 north (Steere Farm Road)	Southern terminus of Route 98
Pascoag	3.2	5.1	Route 107 east (Main Street)	Western terminus of Route 107
Burrillville	9.3	15.0	Wallum Lake Road north – Douglas	Continuation into Massachusetts
1.000 mi = 1.609 km; 1.000 km = 0.621 mi