Getting onto the Cape
typicalTypical Saturday · Boston → Sagamore Bridge
| 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thu | ||||||||||||||||
| Fri | ||||||||||||||||
| Sat |
Source: Google Routes API · colour shows delay vs the 0:54 clear-road baseline (same scale for every origin) · dashed cells are pattern estimates. Hover any cell for readings by date.
Live conditions right now
Current Drive Time to Sagamore Bridge
The shape of each day · Boston → Sagamore Bridge · June
dashed = clear road 0:54Thursday
Peaks mid-afternoon at 1:50
Friday
2P spike to 1:54 — the week's worst
Saturday
Peaks mid-afternoon at 1:28
Typical Saturday, hour by hour · Boston → Sagamore Bridge
same colours as the weekly gridThe readings log
Show me between and , , on over , .
| When | Route | Duration vs clear |
|---|---|---|
Where these numbers come from
Live readings
Google Routes API, polled every 15 minutes from — origins.
Logged history
— readings stored — every one browsable below.
Typical patterns
90-day curves fill the gaps — shown faded until live data confirms them.
Read the full methodology
- Live — Real-time Google reading (5+ samples this hour)
- Calibrated — Learned multiplier from 90-day history
- Estimated — Static baseline — no live data yet
Boston to Cape Cod Traffic
From Boston it is Route 3 south to the Sagamore Bridge — clear in about an hour, but the Friday build and Saturday-morning wave can more than double that. Here is the hour-by-hour picture and when to leave.
On a typical Saturday, the calmest window is around 6 AM (~54 min) and the worst is around 3 PM (~88 min — about 63% over a clear run).