| Speed Legend | ||||
|---|---|---|---|---|
| 25 mph or less | -------- | | | 50 mph | -------- |
| 30 mph | -------- | | | 55 mph | -------- |
| 35 mph | -------- | | | 60 mph | -------- |
| 40 mph | -------- | | | 65 mph | -------- |
| 45 mph | -------- | | | No Data | -------- |
Created by Nick Derby
Data sourced from the MassDOT Open Data Portal. The specific data set used in this map is the 2020 Road Inventory, updated on 29 April 2021.
This map overlays every numbered highway in Massachusetts with a color to indicate the posted speed limit. The highest posted limit in the state is 65 mph, found mostly on rural freeways.
Click on a road segment to display the route number and the speed limit. Use the buttons at the bottom of the map to toggle different types of routes. Whichever route layer is toggled last will display on top.