Speed limits — Indiana Permit Test

On a rural interstate highway, passenger vehicles may not go faster than 70 mph or the posted limit.

Interstates are built for speed, but 70 mph is the top even there unless a lower limit is posted.

Passenger vehicles may not exceed 70 miles per hour or the posted speed limit

On a rural interstate, trucks with a declared gross weight over 26,000 pounds may not go faster than 65 mph or the posted limit.

Heavy trucks need far more distance to stop, so their limit is lower than for cars.

Trucks that have a declared gross vehicle weight greater than 26,000 pounds may not exceed 65 miles per hour or the posted speed limit

On a rural state divided highway, vehicles may not go faster than 60 mph or the posted limit.

A divided highway has a median, but it still has crossroads and driveways that an interstate does not.

On a rural state divided highway, vehicles may not exceed 60 miles per hour or the posted speed limit.

On an urban interstate highway, vehicles may not go faster than 55 mph or the posted limit.

City interstates have closer exits, more merging and heavier traffic than rural ones.

On an urban interstate highway, vehicles may not exceed 55 miles per hour or the posted speed limit

On county roads, vehicles may not go faster than 55 mph or the posted limit.

County roads can be narrow, with farm equipment, sharp curves and hidden driveways.

On county roads, vehicles may not exceed 55 miles per hour or the posted speed limit

On a non-divided state highway, vehicles may not go faster than 55 mph or the posted limit.

With nothing between you and oncoming traffic, a head-on crash is always possible.

On a non-divided state highway, vehicles may not exceed 55 miles per hour or the posted speed limit

In most urban residential areas, vehicles may not go faster than 30 mph or the posted limit.

Neighborhoods have children, parked cars and people walking, all of which need time to react to.

In most urban residential areas, vehicles may not exceed 30 miles per hour or the posted speed limit

In alleys, vehicles may not go faster than 15 mph or the posted limit.

Alleys are narrow, with blind garage exits and people stepping out from behind buildings.

In alleys, vehicles may not exceed 15 miles per hour or the posted speed limit

Near a school you must slow to the lower posted school-zone limit, commonly in effect 7 a.m. to 4:30 p.m. on weekdays or when the beacons flash.

Children arrive and leave at these hours and may run into the street without looking.

Common hours for school zone speed limits are 7 a.m. to 4:30 p.m., Monday through Friday or when school speed limit beacons are flashing.

Work site speed limits are always at least 10 mph below the area's normal maximum speed limit.

Workers stand only a few feet from traffic, and the lanes are often narrower than usual.

Work site speed limits are always at least 10 miles per hour below the maximum established speed limit for the area.

Off interstates and state highways, a school bus may not go faster than 40 mph unless a lower limit is posted.

A bus full of children is heavy and slow to stop, so it gets its own lower limit.

When not driving on an interstate or state highway, the maximum speed limit for a school bus is 40 miles per hour unless the posted speed limit is lower.

On an interstate or highway, a school bus may not go faster than 60 mph or the posted limit.

Even on the highway, a school bus keeps a lower top speed than other traffic.

The maximum speed limit for a school bus on an interstate or highway is 60 miles per hour or the posted speed limit.

Driving at or above the speed limit is even more dangerous in bad weather, on slick or icy roads, with worn tires or when you are not well.

The limit is set for good conditions. When they are worse, a safe speed is lower.

Driving at the posted speed limit or in excess of it during the following roadway conditions is even more dangerous:

What is the speed limit for passenger vehicles on a rural interstate in Indiana unless posted otherwise?

70 mph. Interstates are built for speed, but 70 mph is the top even there unless a lower limit is posted. Indiana Driver's Manual, p.40: “Passenger vehicles may not exceed 70 miles per hour or the posted speed limit”