Minimum Speed Sign
Shape: Circular (octagonal for Stop, inverted triangle for Give Way) · Colour: White with red border (prohibitory); blue with white symbol (positive mandatory, e.g. compulsory turn, keep left)
Vehicles must travel at or above the posted minimum speed on this road.
What It Means
The minimum speed sign (a circle with blue background showing a number) is the opposite of a maximum speed sign. It requires vehicles to maintain at least the posted speed. This is common on expressways where very slow-moving vehicles — cycles, bullock carts, tractors — would create dangerous speed differentials with fast traffic. It also applies in tunnels where stopping creates suffocation and fire risk.
📍 Where You'll See It
On expressways, highway tunnels, elevated roads, and high-speed flyovers where slow vehicles would be dangerous.
✅ What You Must Do
Maintain at least the minimum posted speed. If your vehicle cannot do so safely, do not enter the road.
⚠️ Common Mistake
Driving slowly on an expressway because it "feels" safer — a slow vehicle on a fast road is one of the most dangerous situations in traffic.
⚖️ Legal Note
Violation: Sec. 119 / 177 MV Act. Fine: ₹500.
Frequently Asked Questions
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Other Mandatory Signs
Stop
You must bring your vehicle to a complete halt at the stop line.
Give Way
Yield to all vehicles and pedestrians on the road you are entering.
No Entry
Entry of all vehicles is strictly prohibited in this direction.
Speed Limit 50
The maximum permitted speed on this stretch is 50 km/h.
No Parking
Parking of any vehicle is not permitted in this area.
No Stopping
Neither stopping nor parking is allowed at any time, for any reason.