Departments

Seneca Nation DOT Speed Sign Update

Compliant Speed is Speed limit + 5mph. Violators speed is over 30mph. The 85th percentile speed is the speed at or below which 85 percent of the drivers will operate with open roads and favorable conditions.
Here’s what the data says for April 2025:

Steamburg:
82% of drivers drive under 30 mph. Max speed for South Loop is 77 mph.

Data for the 1001 violators:
633 drive between 31 to 35 mph
232 drive between 36 to 40 mph
77 drive between 41 to 45 mph
31 drive between 46 to 50 mph
11 drive between 51 to 55 mph
8 drive between 56 to 60 mph
3 drive 61 to 65
2 drive 71 to 75
Max speed for North Loop is 49 mph.

Data for the 427 violators:
315 drive between 31 to 35 mph
59 drive between 36 to 40 mph
4 drive between 41 to 45 mph
1 drive between 46 to 50 mph
0 drive between 51 to 55 mph

Takeaway for Steamburg:
March-April Comparison

  • South Loop: Slight increase in violators (21% to 23%). There was a slight rise in violators, there were a few extreme cases.
  • North Loop: Slight increase (12% to 13%) still low overall. Remains a low-risk area; stable and well-behaved traffic.

Jimersontown:
73% of drivers drive over 30 mph. Max speed for Pole 3 is 56 mph.

Data for the 882 violators:
6897 drive between 31 to 35 mph
2083drive between 36 to 40 mph
364 drive between 41 to 45 mph
69 drive between 46 to 50 mph
15 drive between 51 to 55 mph
2 drive between 56 to 60 mph
0 drive between 61 to 65 mph
Max speed for Pole 11 is 62 mph.

Data for the 7392 violators:
5294 drive between 31 to 35 mph
1138drive between 36 to 40 mph
138 drive between 41 to 45 mph
53 drive between 46 to 50 mph
8 drive between 51 to 55 mph
3 drive between 56 to 60 mph
2 drive between 61 to 65 mph

Takeaway for Jimersontown:
March-April Comparison

  • Pole 3 WB: Improvement (37% to 34%) but remains highest. Still a speeding hotspot.
  • Pole 11 EB: Slight improvement (22% to 21%). Slight Improvement.

View April 2025 Snapshot Below: