15. This ramp advisory speed sign means? RAMP 35 MPH Slow down, maximum advised speed is 35 mathrm(mph) in ideal conditions. Slow down, maximum advised speed is 35 mathrm(mph) in all conditions. Minimum advised speed limit is 35 mathrm(mph) in all conditions. Minimum advised speed limit is 35 mathrm(mph) in ideal conditions.

## Step 1: Understand the Sign<br />### The sign is a ramp advisory speed sign, which indicates a recommended speed limit for vehicles when navigating a ramp or curve. It suggests that drivers should adjust their speed to the advised limit for safety reasons.<br /><br />## Step 2: Analyze the Information on the Sign<br />### The sign displays "RAMP" and "35 MPH". This means that the recommended speed for the ramp is 35 miles per hour. The term "advisory" implies that this speed is suggested under ideal conditions, not mandatory.<br /><br />## Step 3: Interpret the Options<br />### - Option 1: "Slow down, maximum advised speed is \( 35 \mathrm{mph} \) in ideal conditions." This option correctly interprets the sign as an advisory for ideal conditions.<br />### - Option 2: "Slow down, maximum advised speed is \( 35 \mathrm{mph} \) in all conditions." This option incorrectly assumes the advisory applies to all conditions.<br />### - Option 3: "Minimum advised speed limit is \( 35 \mathrm{mph} \) in all conditions." This option misinterprets the advisory as a minimum speed.<br />### - Option 4: "Minimum advised speed limit is \( 35 \mathrm{mph} \) in ideal conditions." This option also misinterprets the advisory as a minimum speed.<br /><br />## Step 4: Select the Correct Answer<br />### Based on the analysis, the correct interpretation of the sign is that it advises a maximum speed of 35 mph under ideal conditions.