Isaiah 57:14

And He shall say, Raise up! Raise up! Clear the way! Make the stumbling-block rise out of the way of My people.

Isaiah 62:10

Pass! Pass through the gates; prepare the way of the people. Raise up! Raise up the highway; gather out the stones; lift up a banner for the peoples.

Isaiah 40:3

The voice of him who cries in the wilderness, Prepare the way of Jehovah, make straight a highway in the desert for our God.

Isaiah 35:8

And a highway shall be there, and a way, and it shall be called, The Way of Holiness. The unclean shall not pass over it. But He shall be with them; the wayfaring men, though fools, shall not err in it.

Jeremiah 18:15

Because My people have forgotten Me, they have burned incense to vanity, and they have caused themselves to stumble in their ways from the old paths, to walk in by-paths, not in the highway,

Luke 3:5-6

Every valley shall be filled, and every mountain and hill shall be brought low, and the crooked shall be straight, and the rough ways shall be made smooth.

Romans 14:13

Then let us not judge one another any more, but rather judge this, not to put a stumbling-block or an offense toward his brother.

1 Corinthians 1:23

but we preach Christ crucified, to the Jews a stumbling block, and to the Greeks foolishness.

1 Corinthians 8:9

But take heed lest by any means this liberty of yours becomes a stumbling block to those who are weak.

1 Corinthians 8:13

Therefore, if food offends my brother, I will eat no flesh forever, that I do not offend my brother.

1 Corinthians 10:32-33

Give no offense, either to the Jews, or to the Greeks or to the church of God;

2 Corinthians 6:3

We are in nothing giving cause of stumbling, in no way, so that the ministry may not be blamed,

Hebrews 12:13

And make straight paths for your feet, lest that which is lame be turned out of the way, but let it rather be healed.

Treasury of Scripture Knowledge

Summary

And shall say, Cast ye up, cast ye up, prepare the way, take up the stumblingblock out of the way of my people.

Bible References

Cast

Isaiah 35:8
And a highway shall be there, and a way, and it shall be called, The Way of Holiness. The unclean shall not pass over it. But He shall be with them; the wayfaring men, though fools, shall not err in it.
Isaiah 40:3
The voice of him who cries in the wilderness, Prepare the way of Jehovah, make straight a highway in the desert for our God.
Isaiah 62:10
Pass! Pass through the gates; prepare the way of the people. Raise up! Raise up the highway; gather out the stones; lift up a banner for the peoples.
Luke 3:5
Every valley shall be filled, and every mountain and hill shall be brought low, and the crooked shall be straight, and the rough ways shall be made smooth.

Take

Romans 14:13
Then let us not judge one another any more, but rather judge this, not to put a stumbling-block or an offense toward his brother.
1 Corinthians 1:23
but we preach Christ crucified, to the Jews a stumbling block, and to the Greeks foolishness.
1 Corinthians 8:9
But take heed lest by any means this liberty of yours becomes a stumbling block to those who are weak.
1 Corinthians 10:32
Give no offense, either to the Jews, or to the Greeks or to the church of God;
2 Corinthians 6:3
We are in nothing giving cause of stumbling, in no way, so that the ministry may not be blamed,
Hebrews 12:13
And make straight paths for your feet, lest that which is lame be turned out of the way, but let it rather be healed.

General references

Deuteronomy 19:3
You shall prepare you a way, and divide the borders of your land which Jehovah your God gives you to inherit, into three parts, so that every slayer may flee there.
Isaiah 35:3
Make the weak hands strong and make the feeble knees sure.
Isaiah 49:11
And I will make all My mountains a way, and My highways shall be set on high.